List of United States Representatives from Ohio
The following is an alphabetical list of members of the United States House of Representatives from the state of Ohio. For chronological tables of members of both houses of the United States Congress from the state, see United States Congressional Delegations from Ohio. The list of names should be complete as of January 2019, but other data may be incomplete.
Current representatives
Last updated January 2018- : Steve Chabot
- : Brad Wenstrup
- : Joyce Beatty
- : Jim Jordan
- : Bob Latta
- : Bill Johnson
- : Bob Gibbs
- : Warren Davidson
- : Marcy Kaptur
- : Mike Turner
- : Marcia Fudge
- : Troy Balderson
- : Tim Ryan
- : David Joyce
- : Steve Stivers
- : Anthony Gonzalez
List of representatives
| Name | Party | District | Years | Electoral history |
| Pete Abele | Republican | January 3, 1963 – January 3, 1965 | Lost re-election | |
| Walter H. Albaugh | Republican | November 8, 1938 – January 3, 1939 | Elected to finish Frank L. Kloeb's term Retired | |
| Charles J. Albright | Opposition | March 4, 1855 – March 3, 1857 | Lost re-election | |
| Arthur W. Aleshire | Democratic | January 3, 1937 – January 3, 1939 | ||
| James Alexander Jr. | Whig | March 4, 1837 – March 4, 1839 | ||
| John Alexander | Democratic-Republican | March 4, 1813 – March 4, 1817 | ||
| Alfred G. Allen | Democratic | March 4, 1911 – March 4, 1917 | ||
| John W. Allen | Whig | March 4, 1837 – March 4, 1841 | ||
| William Allen | Democratic | March 4, 1859 – March 4, 1863 | ||
| William Allen | Jacksonian | March 4, 1833 – March 4, 1835 | ||
| Jacob A. Ambler | Republican | March 4, 1869 – March 4, 1873 | ||
| Carl C. Anderson | Democratic | March 4, 1909 – October 1, 1912 | Died | |
| Charles Marley Anderson | Democratic | March 4, 1885 – March 4, 1887 | ||
| Sherlock J. Andrews | Whig | March 4, 1841 – March 4, 1843 | ||
| Timothy T. Ansberry | Democratic | March 4, 1907 – January 9, 1915 | Resigned when appointed to the Ohio Court of Appeals | |
| Douglas Applegate | Democratic | January 3, 1977 – January 3, 1995 | ||
| Jean Spencer Ashbrook | Republican | June 29, 1982 – January 3, 1983 | ||
| John M. Ashbrook | Republican | January 3, 1961 – April 24, 1982 | Died | |
| William A. Ashbrook | Democratic | March 4, 1907 – March 4, 1921 | ||
| William A. Ashbrook | Democratic | January 3, 1935 – January 1, 1940 | Died | |
| James Mitchell Ashley | Republican | March 4, 1859 – March 4, 1863 | ||
| James Mitchell Ashley | Republican | March 4, 1863 – March 4, 1869 | ||
| Thomas W. L. Ashley | Democratic | January 3, 1955 – January 3, 1981 | ||
| Gibson Atherton | Democratic | March 4, 1879 – March 4, 1881 | ||
| Gibson Atherton | Democratic | March 4, 1881 – March 4, 1883 | ||
| Steve Austria | Republican | January 3, 2009 – January 3, 2013 | ||
| William H. Ayres | Republican | January 3, 1951 – January 3, 1971 | ||
| John J. Babka | Democratic | March 4, 1919 – March 4, 1921 | ||
| De Witt Clinton Badger | Democratic | March 4, 1903 – March 4, 1905 | ||
| Joe E. Baird | Republican | March 4, 1929 – March 4, 1931 | ||
| Troy Balderson | Republican | September 5, 2018 – Present | Incumbent | |
| Edward Ball | Whig | March 4, 1853 – March 4, 1855 | ||
| Edward Ball | Opposition | March 4, 1855 – March 4, 1857 | ||
| Henry B. Banning | Liberal Republican | March 4, 1873 – March 4, 1875 | ||
| Henry B. Banning | Democratic | March 4, 1875 – March 4, 1879 | ||
| Henry T. Bannon | Republican | March 4, 1905 – March 4, 1909 | ||
| Levi Barber | Democratic-Republican | March 4, 1817 – March 4, 1819 | ||
| Levi Barber | Democratic-Republican | March 4, 1821 – March 4, 1823 | ||
| Nelson Barrere | Whig | March 4, 1851 – March 4, 1853 | ||
| Mordecai Bartley | Adams-Clay Democratic-Republican | March 4, 1823 – March 4, 1825 | ||
| Mordecai Bartley | Anti-Jacksonian | March 4, 1825 – March 4, 1829 | ||
| Mordecai Bartley | Anti-Jacksonian | March 4, 1829 – March 4, 1831 | ||
| Ellsworth Raymond Bathrick | Democratic | March 4, 1911 – March 4, 1915 | ||
| Ellsworth Raymond Bathrick | Democratic | March 4, 1917 – December 23, 1917 | Died | |
| A. David Baumhart Jr. | Republican | January 3, 1941 – September 2, 1942 | Resigned after receiving a commission in the United States Navy | |
| A. David Baumhart Jr. | Republican | January 3, 1955 – January 3, 1961 | ||
| Clifton Bailey Beach | Republican | March 4, 1895 – March 4, 1899 | ||
| Reasin Beall | Democratic-Republican | April 20, 1813 – June 7, 1814 | Resigned | |
| John Beatty | Republican | February 5, 1868 – March 4, 1873 | ||
| Joyce Beatty | Democratic | January 3, 2013 – Present | Incumbent | |
| Philemon Beecher | Democratic-Republican | March 4, 1817 – March 4, 1821 | ||
| Philemon Beecher | Adams-Clay Democratic-Republican | March 4, 1823 – March 4, 1825 | ||
| Philemon Beecher | Anti-Jacksonian | March 4, 1825 – March 4, 1829 | ||
| James T. Begg | Republican | March 4, 1919 – March 4, 1929 | ||
| Jacob A. Beidler | Republican | March 4, 1901 – March 4, 1907 | ||
| Hiram Bell | Whig | March 4, 1851 – March 4, 1853 | ||
| James Martin Bell | Anti-Jacksonian | March 4, 1833 – March 4, 1835 | ||
| John Bell | Whig | January 7, 1851 – March 4, 1851 | ||
| George H. Bender | Republican | January 3, 1939 – January 3, 1949 | ||
| George H. Bender | Republican | January 3, 1951 – January 3, 1953 | ||
| George H. Bender | Republican | January 3, 1953 – December 15, 1954 | Resigned after being elected to the US Senate | |
| John Berry | Democratic | March 4, 1873 – March 4, 1875 | ||
| Jackson E. Betts | Republican | January 3, 1951 – January 3, 1973 | ||
| Herbert S. Bigelow | Democratic | January 3, 1937 – January 3, 1939 | ||
| John A. Bingham | Opposition | March 4, 1855 – March 4, 1857 | ||
| John A. Bingham | Republican | March 4, 1857 – March 4, 1863 | ||
| John A. Bingham | Republican | March 4, 1865 – March 4, 1873 | ||
| Harrison Gray Otis Blake | Republican | October 11, 1859 – March 4, 1863 | ||
| Philemon Bliss | Opposition | March 4, 1855 – March 4, 1857 | ||
| Philemon Bliss | Republican | March 4, 1857 – March 4, 1859 | ||
| George Bliss | Democratic | March 4, 1853 – March 4, 1855 | ||
| George Bliss | Democratic | March 4, 1863 – March 4, 1865 | ||
| John Boccieri | Democratic | January 3, 2009 – January 3, 2011 | ||
| John Boehner | Republican | January 3, 1991 – October 31, 2015 | Speaker of the House 2011-2015 | |
| Frances P. Bolton | Republican | February 27, 1940 – January 3, 1969 | ||
| Chester C. Bolton | Republican | March 4, 1929 – January 3, 1937 | ||
| Chester C. Bolton | Republican | January 3, 1939 – October 29, 1939 | Died | |
| Oliver P. Bolton | Republican | January 3, 1953 – January 3, 1957 | ||
| Oliver P. Bolton | Republican | January 3, 1963 – January 3, 1965 | ||
| William K. Bond | Anti-Jacksonian | March 4, 1835 – March 4, 1837 | ||
| William K. Bond | Whig | March 4, 1837 – March 4, 1841 | ||
| Melvin M. Boothman | Republican | March 4, 1887 – March 4, 1891 | ||
| Frank T. Bow | Republican | January 3, 1951 – November 13, 1972 | Died | |
| Stanley Eyre Bowdle | Democratic | March 4, 1913 – March 4, 1915 | ||
| Charles Brand | Republican | March 4, 1923 – March 4, 1933 | ||
| Edward G. Breen | Democratic | January 3, 1949 – October 1, 1951 | Resigned | |
| Walter E. Brehm | Republican | January 3, 1943 – January 3, 1953 | ||
| John Lewis Brenner | Democratic | March 4, 1897 – March 4, 1901 | ||
| Henry R. Brinkerhoff | Democratic | March 4, 1843 – April 30, 1844 | Died | |
| Jacob Brinkerhoff | Democratic | March 4, 1843 – March 4, 1847 | ||
| Jacob H. Bromwell | Republican | December 3, 1894 – March 4, 1903 | ||
| Bud Brown | Republican | November 2, 1965 – January 3, 1983 | ||
| Charles E. Brown | Republican | March 4, 1885 – March 4, 1889 | ||
| Clarence J. Brown | Republican | January 3, 1939 – August 23, 1965 | Died | |
| Seth W. Brown | Republican | March 4, 1897 – March 4, 1901 | ||
| Sherrod Brown | Democratic | January 3, 1993 – January 3, 2007 | ||
| Clement L. Brumbaugh | Democratic | March 4, 1913 – March 4, 1921 | ||
| Henry Brush | Democratic-Republican | March 4, 1819 – March 4, 1821 | ||
| Ralph P. Buckland | Republican | March 4, 1865 – March 4, 1869 | ||
| Robert J. Bulkley | Democratic | March 4, 1911 – March 4, 1915 | ||
| Hezekiah S. Bundy | Republican | March 4, 1865 – March 4, 1867 | ||
| Hezekiah S. Bundy | Republican | March 4, 1873 – March 4, 1875 | ||
| Hezekiah S. Bundy | Republican | December 4, 1893 – March 4, 1895 | ||
| Raymond H. Burke | Republican | January 3, 1947 – January 3, 1949 | ||
| Thomas H. Burke | Democratic | January 3, 1949 – January 3, 1951 | ||
| Joseph Burns | Democratic | March 4, 1857 – March 4, 1859 | ||
| Theodore E. Burton | Republican | March 4, 1889 – March 4, 1891 | ||
| Theodore E. Burton | Republican | March 4, 1895 – March 3, 1909 | Resigned after being elected to the US Senate | |
| Theodore E. Burton | Republican | March 4, 1921 – December 15, 1928 | Resigned after being elected to the US Senate | |
| George H. Busby | Democratic | March 4, 1851 – March 4, 1853 | ||
| Benjamin Butterworth | Republican | March 4, 1879 – March 4, 1883 | ||
| Benjamin Butterworth | Republican | March 4, 1881 – March 4, 1883 | ||
| Benjamin Butterworth | Republican | March 4, 1885 – March 4, 1891 | ||
| Joseph Cable | Democratic | March 4, 1849 – March 4, 1853 | ||
| John L. Cable | Republican | March 4, 1921 – March 4, 1925 | ||
| John L. Cable | Republican | March 4, 1929 – March 4, 1933 | ||
| James Caldwell | Democratic-Republican | March 4, 1813 – March 4, 1817 | ||
| John A. Caldwell | Republican | March 4, 1889 – May 4, 1894 | Resigned after being elected Mayor of Cincinnati | |
| James E. Campbell | Democratic | June 20, 1884 – March 4, 1885 | ||
| James E. Campbell | Democratic | March 4, 1885 – March 4, 1887 | ||
| James E. Campbell | Democratic | March 4, 1887 – March 4, 1889 | ||
| John Wilson Campbell | Democratic-Republican | March 4, 1817 – March 4, 1823 | ||
| John Wilson Campbell | Jacksonian Democratic-Republican | March 4, 1823 – March 4, 1825 | ||
| John Wilson Campbell | Anti-Jacksonian | March 4, 1825 – March 4, 1827 | ||
| Lewis D. Campbell | Whig | March 4, 1849 – March 4, 1853 | ||
| Lewis D. Campbell | Whig | March 4, 1853 – March 3, 1855 | ||
| Lewis D. Campbell | Opposition | March 4, 1855 – March 4, 1857 | ||
| Lewis D. Campbell | Republican | March 4, 1857 – May 25, 1858 | Lost election challenge | |
| Lewis D. Campbell | Democratic | March 4, 1871 – March 4, 1873 | ||
| William Wildman Campbell | Republican | March 4, 1905 – March 4, 1907 | ||
| Richard S. Canby | Whig | March 4, 1847 – March 4, 1849 | ||
| John Carey | Republican | March 4, 1859 – March 4, 1861 | ||
| Charles J. Carney | Democratic | November 3, 1970 – January 3, 1979 | ||
| Henderson H. Carson | Republican | January 3, 1943 – January 3, 1945 | ||
| Henderson H. Carson | Republican | January 3, 1947 – January 3, 1949 | ||
| David K. Cartter | Democratic | March 4, 1849 – March 4, 1853 | ||
| Samuel Fenton Cary | Independent Republican | November 21, 1867 – March 4, 1869 | ||
| James H. Cassidy | Republican | March 4, 1909 – March 4, 1911 | ||
| John W. Cassingham | Democratic | March 4, 1901 – March 4, 1905 | ||
| Steve Chabot | Republican | January 3, 1995 – January 3, 2009 | ||
| Steve Chabot | Republican | January 3, 2011 – Present | Incumbent | |
| William W. Chalmers | Republican | March 4, 1921 – March 4, 1923 | ||
| William W. Chalmers | Republican | March 4, 1925 – March 4, 1931 | ||
| David Chambers | Democratic-Republican | October 9, 1821 – March 4, 1823 | ||
| John Chaney | Jacksonian | March 4, 1833 – March 4, 1837 | ||
| John Chaney | Democratic | March 4, 1837 – March 4, 1839 | ||
| Donald D. Clancy | Republican | January 3, 1961 – January 3, 1977 | ||
| Reader W. Clarke | Republican | March 4, 1865 – March 4, 1869 | ||
| Harold K. Claypool | Democratic | January 3, 1937 – January 3, 1943 | ||
| Horatio C. Claypool | Democratic | March 4, 1911 – March 4, 1915 | ||
| Horatio C. Claypool | Democratic | March 4, 1917 – March 4, 1919 | ||
| David Clendenin | Democratic-Republican | October 11, 1814 – March 4, 1817 | ||
| Cliff Clevenger | Republican | January 3, 1939 – January 3, 1959 | ||
| Joseph R. Cockerill | Democratic | March 4, 1857 – March 4, 1859 | ||
| Charles D. Coffin | Whig | December 20, 1837 – March 4, 1839 | ||
| R. Clint Cole | Republican | March 4, 1919 – March 4, 1925 | ||
| Ralph D. Cole | Republican | March 4, 1905 – March 4, 1911 | ||
| George L. Converse | Democratic | March 4, 1879 – March 4, 1881 | ||
| George L. Converse | Democratic | March 4, 1881 – March 4, 1883 | ||
| George L. Converse | Democratic | March 4, 1883 – March 4, 1885 | ||
| Robert E. Cook | Democratic | January 3, 1959 – January 3, 1963 | ||
| Eleutheros Cooke | Anti-Jacksonian | March 4, 1831 – March 4, 1833 | ||
| John G. Cooper | Republican | March 4, 1915 – January 3, 1937 | ||
| William C. Cooper | Republican | March 4, 1885 – March 4, 1891 | ||
| Moses B. Corwin | Whig | March 4, 1849 – March 4, 1851 | ||
| Moses B. Corwin | Whig | March 4, 1853 – March 4, 1855 | ||
| Thomas Corwin | Anti-Jacksonian | March 4, 1831 – March 4, 1833 | ||
| Thomas Corwin | Anti-Jacksonian | March 4, 1833 – March 4, 1837 | ||
| Thomas Corwin | Whig | March 4, 1837 – May 30, 1840 | Resigned after being nominated Governor | |
| Thomas Corwin | Republican | March 4, 1859 – March 12, 1861 | Resigned to become Minister to Mexico | |
| Jacob P. Cowan | Democratic | March 4, 1875 – March 4, 1877 | ||
| Benjamin S. Cowen | Whig | March 4, 1841 – March 4, 1843 | ||
| Jacob D. Cox | Republican | March 4, 1877 – March 4, 1879 | ||
| James M. Cox | Democratic | March 4, 1909 – January 12, 1913 | Resigned after being elected Governor | |
| Samuel S. Cox | Democratic | March 4, 1857 – March 4, 1863 | ||
| Samuel S. Cox | Democratic | March 4, 1863 – March 4, 1865 | ||
| Joseph Halsey Crane | Anti-Jacksonian | March 4, 1829 – March 4, 1837 | Retired | |
| William Creighton Jr. | Democratic-Republican | May 4, 1813 – March 4, 1817 | ||
| William Creighton Jr. | Anti-Jacksonian | March 4, 1827 – ??, 1828 | Resigned after being appointed as judge of the US District Court of Ohio | |
| William Creighton Jr. | Anti-Jacksonian | March 4, 1829 – March 4, 1833 | ||
| Frank Cremeans | Republican | January 3, 1995 – January 3, 1997 | ||
| Robert Crosser | Democratic | March 4, 1913 – March 4, 1915 | ||
| Robert Crosser | Democratic | March 4, 1915 – March 4, 1919 | ||
| Robert Crosser | Democratic | March 4, 1923 – January 3, 1955 | ||
| George W. Crouse | Republican | March 4, 1887 – March 4, 1889 | ||
| John Crowell | Whig | March 4, 1847 – March 4, 1851 | ||
| John D. Cummins | Democratic | March 4, 1845 – March 4, 1849 | ||
| Francis A. Cunningham | Democratic | March 4, 1845 – March 4, 1847 | ||
| William P. Cutler | Republican | March 4, 1861 – March 4, 1863 | ||
| Lorenzo Danford | Republican | March 4, 1873 – March 4, 1879 | ||
| Lorenzo Danford | Republican | March 4, 1895 – June 19, 1899 | Died | |
| John Davenport | Anti-Jacksonian | March 4, 1827 – March 4, 1829 | ||
| Martin L. Davey | Democratic | November 5, 1918 – March 4, 1921 | ||
| Martin L. Davey | Democratic | March 4, 1923 – March 4, 1929 | ||
| Warren Davidson | Republican | June 9, 2016 – Present | Incumbent | |
| Jacob E. Davis | Democratic | January 3, 1941 – January 3, 1943 | ||
| Beman G. Dawes | Republican | March 4, 1905 – March 4, 1909 | ||
| Rufus Dawes | Republican | March 4, 1881 – March 4, 1883 | ||
| Timothy Crane Day | Opposition | March 4, 1855 – March 4, 1857 | ||
| Francis Byron De Witt | Republican | March 4, 1895 – March 4, 1897 | ||
| Ezra Dean | Democratic | March 4, 1841 – March 4, 1845 | ||
| Columbus Delano | Whig | March 4, 1845 – March 4, 1847 | ||
| Columbus Delano | Republican | March 4, 1865 – March 4, 1867 | ||
| Columbus Delano | Republican | June 3, 1868 – March 4, 1869 | ||
| David S. Dennison Jr. | Republican | January 3, 1957 – January 3, 1959 | ||
| Matthew R. Denver | Democratic | March 4, 1907 – March 4, 1913 | ||
| Samuel L. Devine | Republican | January 3, 1959 – January 3, 1981 | ||
| Mike DeWine | Republican | January 3, 1983 – January 3, 1991 | ||
| Charles W. F. Dick | Republican | November 8, 1898 – March 23, 1904 | Resigned to become a US Senator | |
| Henry L. Dickey | Democratic | March 4, 1877 – March 4, 1879 | ||
| Henry L. Dickey | Democratic | March 4, 1879 – March 4, 1881 | ||
| Edward F. Dickinson | Democratic | March 4, 1869 – March 4, 1871 | ||
| Rodolphus Dickinson | Democratic | March 4, 1847 – March 20, 1849 | Died | |
| David Tiernan Disney | Democratic | March 4, 1849 – March 4, 1855 | ||
| Joseph A. Dixon | Democratic | January 3, 1937 – January 3, 1939 | ||
| Robert E. Doan | Republican | March 4, 1891 – March 4, 1893 | ||
| William Doan | Democratic | March 4, 1839 – March 4, 1843 | ||
| Ozro John Dodds | Democratic | October 8, 1872 – March 4, 1873 | ||
| Dennis D. Donovan | Democratic | March 4, 1891 – March 4, 1893 | ||
| Dennis D. Donovan | Democratic | March 4, 1893 – March 4, 1895 | ||
| Albert Douglas | Republican | March 4, 1907 – March 4, 1911 | ||
| Steve Driehaus | Democratic | January 3, 2009 – January 3, 2011 | ||
| Warren J. Duffey | Democratic | March 4, 1933 – July 7, 1936 | Died | |
| Daniel Duncan | Whig | March 4, 1847 – March 4, 1849 | ||
| Alexander Duncan | Democratic | March 4, 1837 – March 4, 1841 | ||
| Alexander Duncan | Democratic | March 4, 1843 – March 4, 1845 | ||
| James I. Dungan | Democratic | March 4, 1891 – March 4, 1893 | ||
| Daniel S. Earhart | Democratic | November 3, 1936 – January 3, 1937 | ||
| Dennis E. Eckart | Democratic | January 3, 1981 – January 3, 1983 | ||
| Dennis E. Eckart | Democratic | January 3, 1983 – January 3, 1993 | ||
| Ephraim R. Eckley | Republican | March 4, 1863 – March 4, 1869 | ||
| Alfred Peck Edgerton | Democratic | March 4, 1851 – March 4, 1855 | ||
| Sidney Edgerton | Republican | March 4, 1859 – March 4, 1863 | ||
| Thomas O. Edwards | Whig | March 4, 1847 – March 4, 1849 | ||
| Benjamin Eggleston | Republican | March 4, 1865 – March 4, 1869 | ||
| Andrew Ellison | Democratic | March 4, 1853 – March 4, 1855 | ||
| William W. Ellsberry | Democratic | March 4, 1885 – March 4, 1887 | ||
| Charles H. Elston | Republican | January 3, 1939 – January 3, 1953 | ||
| Henry Ivory Emerson | Republican | March 4, 1915 – March 4, 1921 | ||
| Jonas R. Emrie | Opposition | March 4, 1855 – March 4, 1857 | ||
| William H. Enochs | Republican | March 4, 1891 – March 4, 1893 | ||
| William H. Enochs | Republican | March 4, 1893 – July 13, 1893 | Died | |
| Nathan Evans | Whig | March 4, 1847 – March 4, 1851 | ||
| Thomas Ewing Jr. | Democratic | March 4, 1877 – March 4, 1879 | ||
| Thomas Ewing Jr. | Democratic | March 4, 1879 – March 4, 1881 | ||
| James J. Faran | Democratic | March 4, 1845 – March 4, 1849 | ||
| Edward F. Feighan | Democratic | January 3, 1983 – January 3, 1993 | ||
| Michael A. Feighan | Democratic | January 3, 1943 – January 3, 1971 | ||
| Lucien J. Fenton | Republican | March 4, 1895 – March 4, 1899 | ||
| Simeon D. Fess | Republican | March 4, 1913 – March 4, 1915 | ||
| Simeon D. Fess | Republican | March 4, 1915 – March 4, 1923 | ||
| William L. Fiesinger | Democratic | March 4, 1931 – January 3, 1937 | ||
| William E. Finck | Democratic | March 4, 1863 – March 4, 1867 | ||
| William E. Finck | Democratic | December 7, 1874 – March 4, 1875 | ||
| James Findlay | Jacksonian | March 4, 1825 – March 4, 1833 | ||
| Eric Fingerhut | Democratic | January 3, 1993 – January 3, 1995 | ||
| Ebenezer B. Finley | Democratic | March 4, 1877 – March 4, 1879 | ||
| Ebenezer B. Finley | Democratic | March 4, 1879 – March 4, 1881 | ||
| David Fisher | Whig | March 4, 1847 – March 4, 1849 | ||
| Roy G. Fitzgerald | Republican | March 4, 1921 – March 4, 1931 | ||
| William T. Fitzgerald | Republican | March 4, 1925 – March 4, 1929 | ||
| Anthony A. Fleger | Democratic | January 3, 1937 – January 3, 1939 | ||
| Thomas B. Fletcher | Democratic | March 4, 1925 – March 4, 1929 | ||
| Thomas B. Fletcher | Democratic | March 4, 1933 – January 3, 1939 | ||
| Elias Florence | Whig | March 4, 1843 – March 4, 1845 | ||
| John Fassett Follett | Democratic | March 4, 1883 – March 4, 1885 | ||
| Martin A. Foran | Democratic | March 4, 1883 – March 4, 1889 | ||
| Israel M. Foster | Republican | March 4, 1919 – March 4, 1925 | ||
| Charles Foster | Republican | March 4, 1871 – March 4, 1873 | ||
| Charles Foster | Republican | March 4, 1873 – March 4, 1879 | ||
| William B. Francis | Democratic | March 4, 1911 – March 4, 1915 | ||
| George Fries | Democratic | March 4, 1845 – March 4, 1849 | ||
| Marcia Fudge | Democratic | November 18, 2008 – Present | Incumbent | |
| Harry C. Gahn | Republican | March 4, 1921 – March 4, 1923 | ||
| Samuel Galloway | Opposition | March 4, 1855 – March 4, 1857 | ||
| Martin K. Gantz | Democratic | March 4, 1891 – March 4, 1893 | ||
| Harvey C. Garber | Democratic | March 4, 1903 – March 4, 1907 | ||
| Warren Gard | Democratic | March 4, 1913 – March 4, 1921 | ||
| Edward J. Gardner | Democratic | January 3, 1945 – January 3, 1947 | ||
| Mills Gardner | Republican | March 4, 1877 – March 4, 1879 | ||
| James A. Garfield | Republican | March 4, 1863 – November 8, 1880 | Resigned to become President of the United States | |
| James M. Gaylord | Democratic | March 4, 1851 – March 4, 1853 | ||
| James William Gazlay | Jacksonian Democratic-Republican | March 4, 1823 – March 4, 1825 | ||
| George W. Geddes | Democratic | March 4, 1879 – March 4, 1881 | ||
| George W. Geddes | Democratic | March 4, 1881 – March 4, 1885 | ||
| George W. Geddes | Democratic | March 4, 1885 – March 4, 1887 | ||
| Bob Gibbs | Republican | January 3, 2011 – January 3, 2013 | ||
| Bob Gibbs | Republican | January 3, 2013 – Present | Incumbent | |
| Joshua Giddings | Whig | December 3, 1838 – March 22, 1842 | Resigned | |
| Joshua Giddings | Whig | December 5, 1842 – March 4, 1843 | ||
| Joshua Giddings | Whig | March 4, 1843 – March 4, 1849 | ||
| Joshua Giddings | Free Soil | March 4, 1849 – March 4, 1855 | ||
| Joshua Giddings | Opposition | March 4, 1855 – March 4, 1857 | ||
| Joshua Giddings | Republican | March 4, 1857 – March 4, 1859 | ||
| Joseph J. Gill | Republican | December 4, 1899 – October 31, 1903 | Resigned | |
| John J. Gilligan | Democratic | January 3, 1965 – January 3, 1967 | ||
| Paul Gillmor | Republican | January 3, 1989 – September 5, 2007 | Died | |
| Herman P. Goebel | Republican | March 4, 1903 – March 4, 1911 | ||
| J. Henry Goeke | Democratic | March 4, 1911 – March 4, 1915 | ||
| Anthony Gonzalez | Republican | January 3, 2019 – Present | Incumbent | |
| Patrick Gaines Goode | Whig | March 4, 1837 – March 4, 1843 | ||
| John M. Goodenow | Jacksonian | March 4, 1829 – April 9, 1830 | Resigned after becoming judge of the Supreme Court of Ohio | |
| Robert B. Gordon | Democratic | March 4, 1899 – March 4, 1903 | ||
| William Gordon | Democratic | March 4, 1913 – March 4, 1919 | ||
| Bill Gradison | Republican | January 3, 1975 – January 3, 1983 | ||
| Bill Gradison | Republican | January 3, 1983 – January 31, 1993 | Resigned | |
| Frederick W. Green | Democratic | March 4, 1851 – March 4, 1853 | ||
| Frederick W. Green | Democratic | March 4, 1853 – March 4, 1855 | ||
| Percy W. Griffiths | Republican | January 3, 1943 – January 3, 1949 | ||
| William S. Groesbeck | Democratic | March 4, 1857 – March 4, 1859 | ||
| Charles H. Grosvenor | Republican | March 4, 1885 – March 4, 1887 | ||
| Charles H. Grosvenor | Republican | March 4, 1887 – March 4, 1891 | ||
| Charles H. Grosvenor | Republican | March 4, 1893 – March 4, 1907 | ||
| Lewis B. Gunckel | Republican | March 4, 1873 – March 4, 1875 | ||
| John A. Gurley | Republican | March 4, 1859 – March 4, 1863 | ||
| Tennyson Guyer | Republican | January 3, 1973 – April 12, 1981 | Died | |
| Lawrence W. Hall | Democratic | March 4, 1857 – March 4, 1859 | ||
| Tony P. Hall | Democratic | January 3, 1979 – September 9, 2002 | Resigned after being appointed Ambassador to the Food and Agriculture Organization of the United Nations | |
| Thomas L. Hamer | Jacksonian | March 4, 1833 – March 4, 1837 | ||
| Thomas L. Hamer | Democratic | March 4, 1837 – March 4, 1839 | ||
| Cornelius S. Hamilton | Republican | March 4, 1867 – December 22, 1867 | Died | |
| Edward S. Hamlin | Whig | October 8, 1844 – March 4, 1845 | ||
| Peter Francis Hammond | Democratic | November 3, 1936 – January 3, 1937 | ||
| J. Eugene Harding | Republican | March 4, 1907 – March 4, 1909 | ||
| Darius D. Hare | Democratic | March 4, 1891 – March 4, 1893 | ||
| Darius D. Hare | Democratic | March 4, 1893 – March 4, 1895 | ||
| Aaron Harlan | Whig | March 4, 1853 – March 4, 1855 | ||
| Aaron Harlan | Opposition | March 4, 1855 – March 4, 1857 | ||
| Aaron Harlan | Republican | March 4, 1857 – March 4, 1859 | ||
| Byron B. Harlan | Democratic | March 4, 1931 – January 3, 1939 | ||
| Alexander Harper | Whig | March 4, 1837 – March 4, 1839 | ||
| Alexander Harper | Whig | March 4, 1843 – March 4, 1847 | ||
| Alexander Harper | Whig | March 4, 1851 – March 4, 1853 | ||
| Stephen Ross Harris | Republican | March 4, 1895 – March 4, 1897 | ||
| John S. Harrison | Whig | March 4, 1853 – March 4, 1855 | ||
| John S. Harrison | Opposition | March 4, 1855 – March 4, 1857 | ||
| Richard A. Harrison | Unionist | July 4, 1861 – March 4, 1863 | ||
| William Henry Harrison | Democratic-Republican | October 8, 1816 – March 4, 1819 | ||
| Bill Harsha | Republican | January 3, 1961 – January 3, 1981 | ||
| Alphonso Hart | Republican | March 4, 1883 – March 4, 1885 | ||
| Dow W. Harter | Democratic | March 4, 1933 – January 3, 1943 | ||
| Michael D. Harter | Democratic | March 4, 1891 – March 4, 1893 | ||
| Michael D. Harter | Democratic | March 4, 1893 – March 4, 1895 | ||
| John Hastings | Democratic | March 4, 1839 – March 4, 1843 | ||
| Rutherford B. Hayes | Republican | March 4, 1865 – July 20, 1867 | Resigned to run for Governor | |
| William E. Haynes | Democratic | March 4, 1889 – March 4, 1891 | ||
| William E. Haynes | Democratic | March 4, 1891 – March 4, 1893 | ||
| Wayne Hays | Democratic | January 3, 1949 – September 1, 1976 | Resigned | |
| Victor Heintz | Republican | March 4, 1917 – March 4, 1919 | ||
| William Helmick | Republican | March 4, 1859 – March 4, 1861 | ||
| John E. Henderson | Republican | January 3, 1955 – January 3, 1961 | ||
| Samuel Herrick | Democratic-Republican | March 4, 1817 – March 4, 1821 | ||
| William E. Hess | Republican | March 4, 1929 – January 3, 1937 | ||
| William E. Hess | Republican | January 3, 1939 – January 3, 1949 | ||
| William E. Hess | Republican | January 3, 1951 – January 3, 1961 | ||
| Charles Q. Hildebrant | Republican | March 4, 1901 – March 4, 1905 | ||
| William D. Hill | Democratic | March 4, 1879 – March 4, 1881 | ||
| William D. Hill | Democratic | March 4, 1883 – March 4, 1887 | ||
| Joseph H. Himes | Republican | March 4, 1921 – March 4, 1923 | ||
| Peter Hitchcock | Democratic-Republican | March 4, 1817 – March 4, 1819 | ||
| Truman H. Hoag | Democratic | March 4, 1869 – February 5, 1870 | Died | |
| Moses Hoagland | Democratic | March 4, 1849 – March 4, 1851 | ||
| Dave Hobson | Republican | January 3, 1991 – January 3, 2009 | ||
| Martin R. Hoke | Republican | January 3, 1993 – January 3, 1997 | ||
| Greg J. Holbrock | Democratic | January 3, 1941 – January 3, 1943 | ||
| David Hollingsworth | Republican | March 4, 1909 – March 4, 1911 | ||
| David Hollingsworth | Republican | March 4, 1915 – March 4, 1919 | ||
| John B. Hollister | Republican | November 3, 1931 – January 3, 1937 | ||
| Valentine B. Horton | Opposition | March 4, 1855 – March 4, 1857 | ||
| Valentine B. Horton | Republican | March 4, 1857 – March 4, 1859 | ||
| Valentine B. Horton | Republican | March 4, 1861 – March 4, 1863 | ||
| George W. Houk | Democratic | March 4, 1891 – February 9, 1894 | Died | |
| William Howard | Democratic | March 4, 1859 – March 4, 1861 | ||
| Elias Howell | Anti-Jacksonian | March 4, 1835 – March 4, 1837 | ||
| L. Paul Howland | Republican | March 4, 1907 – March 4, 1913 | ||
| James R. Hubbell | Republican | March 4, 1865 – March 4, 1867 | ||
| Walter B. Huber | Democratic | January 3, 1945 – January 3, 1951 | ||
| George W. Hulick | Republican | March 4, 1893 – March 4, 1897 | ||
| John F. Hunter | Democratic | January 3, 1937 – January 3, 1943 | ||
| William F. Hunter | Whig | March 4, 1849 – March 4, 1853 | ||
| William H. Hunter | Democratic | March 4, 1837 – March 4, 1839 | ||
| Frank H. Hurd | Democratic | March 4, 1875 – March 4, 1877 | ||
| Frank H. Hurd | Democratic | March 4, 1879 – March 4, 1881 | ||
| Frank H. Hurd | Democratic | March 4, 1883 – March 4, 1885 | ||
| John Hutchins | Republican | March 4, 1859 – March 4, 1863 | ||
| Wells A. Hutchins | Democratic | March 4, 1863 – March 4, 1865 | ||
| George P. Ikirt | Democratic | March 4, 1893 – March 4, 1895 | ||
| Lawrence E. Imhoff | Democratic | March 4, 1933 – January 3, 1939 | ||
| Lawrence E. Imhoff | Democratic | January 3, 1941 – January 3, 1943 | ||
| William W. Irvin | Jacksonian | March 4, 1829 – March 4, 1833 | ||
| Amos H. Jackson | Republican | March 4, 1903 – March 4, 1905 | ||
| Harry P. Jeffrey | Republican | January 3, 1943 – January 3, 1945 | ||
| Thomas A. Jenkins | Republican | March 4, 1925 – January 3, 1959 | ||
| David Jennings | Anti-Jacksonian | March 4, 1825 – May 25, 1826 | Resigned | |
| Hugh J. Jewett | Democratic | March 4, 1873 – June 23, 1874 | Resigned to become President of the Erie Railroad | |
| Adna R. Johnson | Republican | March 4, 1909 – March 4, 1911 | ||
| Bill Johnson | Republican | January 3, 2011 – Present | Incumbent | |
| Harvey H. Johnson | Democratic | March 4, 1853 – March 4, 1855 | ||
| John Johnson | Democratic-Republican | March 4, 1851 – March 4, 1853 | ||
| Perley B. Johnson | Whig | March 4, 1843 – March 4, 1845 | ||
| Tom L. Johnson | Democratic | March 4, 1891 – March 4, 1895 | ||
| William Johnston | Democratic | March 4, 1863 – March 4, 1865 | ||
| Benjamin Jones | Jacksonian | March 4, 1833 – March 4, 1837 | ||
| John S. Jones | Republican | March 4, 1877 – March 4, 1879 | ||
| Robert Franklin Jones | Republican | January 3, 1939 – September 2, 1947 | Resigned after being appointed a member of the Federal Communications Commission | |
| Stephanie Tubbs Jones | Democratic | January 3, 1999 – August 20, 2008 | Died | |
| Isaac M. Jordan | Democratic | March 4, 1883 – March 4, 1885 | ||
| Jim Jordan | Republican | January 3, 2007 – Present | Incumbent | |
| David Joyce | Republican | January 3, 2013 – Present | Incumbent | |
| James Joyce | Republican | March 4, 1909 – March 4, 1911 | ||
| Marcy Kaptur | Democratic | January 3, 1983 – Present | Incumbent | |
| John Kasich | Republican | January 3, 1983 – January 3, 2001 | ||
| Charles C. Kearns | Republican | March 4, 1915 – March 4, 1931 | ||
| William J. Keating | Republican | January 3, 1971 – January 3, 1974 | Resigned | |
| J. Warren Keifer | Republican | March 4, 1877 – March 4, 1879 | ||
| J. Warren Keifer | Republican | March 4, 1879 – March 4, 1881 | ||
| J. Warren Keifer | Republican | March 4, 1881 – March 4, 1885 | ||
| J. Warren Keifer | Republican | March 4, 1905 – March 4, 1911 | ||
| James Kennedy | Republican | March 4, 1903 – March 4, 1911 | ||
| Robert P. Kennedy | Republican | March 4, 1887 – March 4, 1891 | ||
| William Kennon Jr. | Democratic | March 4, 1847 – March 4, 1849 | ||
| William Kennon Sr. | Jacksonian | March 4, 1829 – March 4, 1833 | ||
| William Kennon Sr. | Jacksonian | March 4, 1835 – March 4, 1837 | ||
| Winfield S. Kerr | Republican | March 4, 1895 – March 4, 1901 | ||
| John A. Key | Democratic | March 4, 1913 – March 4, 1915 | ||
| John A. Key | Democratic | March 4, 1915 – March 4, 1919 | ||
| James Kilbourne | Democratic-Republican | March 4, 1813 – March 4, 1817 | ||
| Daniel Kilgore | Jacksonian | December 1, 1834 – March 4, 1837 | ||
| Daniel Kilgore | Democratic | March 4, 1837 – July 4, 1838 | Resigned | |
| Mary Jo Kilroy | Democratic | January 3, 2009 – January 3, 2011 | ||
| Tom Kindness | Republican | January 3, 1975 – January 3, 1987 | ||
| Michael J. Kirwan | Democratic | January 3, 1937 – July 27, 1970 | Died | |
| Frank L. Kloeb | Democratic | March 4, 1933 – August 19, 1937 | Resigned after being appointed judge of the US District Court for the Northern District of Ohio | |
| Frank C. Kniffin | Democratic | March 4, 1931 – January 3, 1939 | ||
| Charles L. Knight | Republican | March 4, 1921 – March 4, 1923 | ||
| Dennis Kucinich | Democratic | January 3, 1997 – January 3, 2013 | ||
| Thomas B. Kyle | Republican | March 4, 1901 – March 4, 1905 | ||
| Samuel Lahm | Democratic | March 4, 1847 – March 4, 1849 | ||
| Charles Nelson Lamison | Democratic | March 4, 1871 – March 4, 1875 | ||
| Arthur P. Lamneck | Democratic | March 4, 1931 – January 3, 1939 | ||
| J. Ford Laning | Republican | March 4, 1907 – March 4, 1909 | ||
| Steve LaTourette | Republican | January 3, 1995 – January 3, 2003 | ||
| Steve LaTourette | Republican | January 3, 2003 – January 3, 2013 | ||
| Bob Latta | Republican | December 11, 2007 – Present | Incumbent | |
| Del Latta | Republican | January 3, 1959 – January 3, 1989 | ||
| William Lawrence | Democratic | March 4, 1857 – March 4, 1859 | ||
| William Lawrence | Republican | March 4, 1865 – March 4, 1871 | ||
| William Lawrence | Republican | March 4, 1873 – March 4, 1877 | ||
| Fernando C. Layton | Democratic | March 4, 1891 – March 4, 1893 | ||
| Fernando C. Layton | Democratic | March 4, 1893 – March 4, 1897 | ||
| Daniel P. Leadbetter | Democratic | March 4, 1837 – March 4, 1841 | ||
| Humphrey H. Leavitt | Jacksonian | December 6, 1830 – March 4, 1833 | ||
| Humphrey H. Leavitt | Jacksonian | March 4, 1833 – July 10, 1834 | Resigned to become a judge for the US District Court for the District of Ohio | |
| Francis Celeste LeBlond | Democratic | March 4, 1863 – March 4, 1867 | ||
| John P. Leedom | Democratic | March 4, 1881 – March 4, 1883 | ||
| Benjamin Le Fevre | Democratic | March 4, 1879 – March 4, 1883 | ||
| Benjamin Le Fevre | Democratic | March 4, 1883 – March 4, 1885 | ||
| Benjamin Le Fevre | Democratic | March 4, 1885 – March 4, 1887 | ||
| Benjamin Franklin Leiter | Opposition | March 4, 1855 – March 4, 1857 | ||
| Benjamin Franklin Leiter | Republican | March 4, 1857 – March 4, 1859 | ||
| John J. Lentz | Democratic | March 4, 1897 – March 4, 1901 | ||
| Robert W. Levering | Democratic | January 3, 1959 – January 3, 1961 | ||
| Earl R. Lewis | Republican | January 3, 1939 – January 3, 1941 | ||
| Earl R. Lewis | Republican | January 3, 1943 – January 3, 1949 | ||
| William D. Lindsley | Democratic | March 4, 1853 – March 4, 1855 | ||
| John Little | Republican | March 4, 1885 – March 4, 1887 | ||
| Alexander Long | Democratic | March 4, 1863 – March 4, 1865 | ||
| Nicholas Longworth | Republican | March 4, 1903 – March 4, 1913 | ||
| Nicholas Longworth | Republican | March 4, 1915 – April 9, 1931 | Died | |
| Andrew W. Loomis | Whig | March 4, 1837 – October 20, 1837 | Resigned | |
| Rodney M. Love | Democratic | January 3, 1965 – January 3, 1967 | ||
| Charlie Luken | Democratic | January 3, 1991 – January 3, 1993 | ||
| Tom Luken | Democratic | March 5, 1974 – January 3, 1975 | ||
| Tom Luken | Democratic | January 3, 1977 – January 3, 1983 | ||
| Tom Luken | Democratic | January 3, 1983 – January 3, 1991 | ||
| Donald Buz Lukens | Republican | January 3, 1967 – January 3, 1971 | ||
| Donald Buz Lukens | Republican | January 3, 1987 – October 24, 1990 | Resigned | |
| Archibald Lybrand | Republican | March 4, 1897 – March 4, 1901 | ||
| Robert Todd Lytle | Jacksonian | March 4, 1833 – March 4, 1835 | resigned March 10, 1834 and re-elected to seat December 27, 1834 | |
| David S. Mann | Democratic | January 3, 1993 – January 3, 1995 | ||
| George A. Marshall | Democratic | March 4, 1897 – March 4, 1899 | ||
| L. L. Marshall | Republican | January 3, 1939 – January 3, 1941 | ||
| Leroy T. Marshall | Republican | March 4, 1933 – January 3, 1937 | ||
| Charles D. Martin | Democratic | March 4, 1859 – March 4, 1861 | ||
| Samson Mason | Anti-Jacksonian | March 4, 1835 – March 4, 1837 | ||
| Samson Mason | Whig | March 4, 1837 – March 4, 1843 | ||
| James Mathews | Democratic | March 4, 1841 – March 4, 1843 | ||
| James Mathews | Democratic | March 4, 1843 – March 4, 1845 | ||
| Joshua Mathiot | Whig | March 4, 1841 – March 4, 1843 | ||
| Nelson Edwin Matthews | Republican | March 4, 1915 – March 4, 1917 | ||
| Duncan McArthur | Adams-Clay Democratic-Republican | March 4, 1823 – March 4, 1825 | ||
| William C. McCauslen | Democratic | March 4, 1843 – March 4, 1845 | ||
| Charles B. McClintock | Republican | March 4, 1929 – March 4, 1933 | ||
| Addison S. McClure | Republican | March 4, 1881 – March 4, 1883 | ||
| Addison S. McClure | Republican | March 4, 1895 – March 4, 1897 | ||
| John W. McCormick | Republican | March 4, 1883 – March 4, 1885 | ||
| Edward O. McCowen | Republican | January 3, 1943 – January 3, 1949 | ||
| Roscoe C. McCulloch | Republican | March 4, 1915 – March 4, 1921 | ||
| William M. McCulloch | Republican | November 4, 1947 – January 3, 1973 | ||
| John A. McDowell | Democratic | March 4, 1897 – March 4, 1901 | ||
| Joseph J. McDowell | Democratic | March 4, 1843 – March 4, 1847 | ||
| Bob McEwen | Republican | January 3, 1981 – January 3, 1993 | ||
| J. Harry McGregor | Republican | February 27, 1940 – October 7, 1958 | Died | |
| William McKinley | Republican | March 4, 1877 – March 4, 1879 | ||
| William McKinley | Republican | March 4, 1879 – March 4, 1881 | ||
| William McKinley | Republican | March 4, 1881 – March 4, 1883 | ||
| William McKinley | Republican | March 4, 1883 – May 27, 1884 | Lost contested election | |
| William McKinley | Republican | March 4, 1885 – March 4, 1887 | ||
| William McKinley | Republican | March 4, 1887 – March 4, 1891 | ||
| John F. McKinney | Democratic | March 4, 1863 – March 4, 1865 | ||
| John F. McKinney | Democratic | March 4, 1871 – March 4, 1873 | ||
| John McLean | Democratic-Republican | March 4, 1813 – ??, 1816 | Resigned after becoming associate justice of the Supreme Court of Ohio | |
| William McLean | Adams-Clay Democratic-Republican | March 4, 1823 – March 4, 1825 | ||
| William McLean | Anti-Jacksonian | March 4, 1825 – March 4, 1829 | ||
| Jeremiah McLene | Jacksonian | March 4, 1833 – March 4, 1837 | ||
| John A. McMahon | Democratic | March 4, 1875 – March 4, 1879 | ||
| John A. McMahon | Democratic | March 4, 1879 – March 4, 1881 | ||
| John McSweeney | Democratic | March 4, 1923 – March 4, 1929 | ||
| John McSweeney | Democratic | January 3, 1937 – January 3, 1939 | ||
| John McSweeney | Democratic | January 3, 1949 – January 3, 1951 | ||
| William Medill | Democratic | March 4, 1839 – March 4, 1843 | ||
| David Meekison | Democratic | March 4, 1897 – March 4, 1901 | ||
| Clarence E. Miller | Republican | January 3, 1967 – January 3, 1993 | ||
| John K. Miller | Democratic | March 4, 1847 – March 4, 1851 | ||
| Joseph Miller | Democratic | March 4, 1857 – March 4, 1859 | ||
| Ward Miller | Republican | November 8, 1960 – January 3, 1961 | ||
| William E. Minshall Jr. | Republican | January 3, 1955 – December 31, 1974 | Resigned | |
| Robert Mitchell | Jacksonian | March 4, 1833 – 1835 | ||
| Walter H. Moeller | Democratic | January 3, 1959 – January 3, 1963 | ||
| Walter H. Moeller | Democratic | January 3, 1965 – January 3, 1967 | ||
| James Monroe | Republican | March 4, 1871 – March 4, 1873 | ||
| James Monroe | Republican | March 4, 1873 – March 4, 1879 | ||
| James Monroe | Republican | March 4, 1879 – March 4, 1881 | ||
| William C. Mooney | Republican | March 4, 1915 – March 4, 1917 | ||
| Charles A. Mooney | Democratic | March 4, 1919 – March 4, 1921 | ||
| Charles A. Mooney | Democratic | March 4, 1923 – May 29, 1931 | Died | |
| C. Ellis Moore | Republican | March 4, 1919 – March 4, 1933 | ||
| Eliakim H. Moore | Republican | March 4, 1869 – March 4, 1871 | ||
| Heman A. Moore | Democratic | March 4, 1843 – April 3, 1844 | Died | |
| Oscar F. Moore | Opposition | March 4, 1855 – March 4, 1857 | ||
| Tom V. Moorehead | Republican | January 3, 1961 – January 3, 1963 | ||
| Henry Lee Morey | Republican | March 4, 1881 – March 4, 1883 | ||
| Henry Lee Morey | Republican | March 4, 1883 – June 20, 1884 | Lost contested election | |
| Henry Lee Morey | Republican | March 4, 1889 – March 4, 1891 | ||
| Stephen Morgan | Republican | March 4, 1899 – March 4, 1905 | ||
| William M. Morgan | Republican | March 4, 1921 – March 4, 1931 | ||
| George W. Morgan | Democratic | March 4, 1867 – June 3, 1868 | Lost contested election | |
| George W. Morgan | Democratic | March 4, 1869 – March 4, 1873 | ||
| Calvary Morris | Whig | March 4, 1837 – March 4, 1843 | ||
| James R. Morris | Democratic | March 4, 1861 – March 4, 1863 | ||
| James R. Morris | Democratic | March 4, 1863 – March 4, 1865 | ||
| Jonathan D. Morris | Democratic | March 4, 1847 – March 4, 1851 | ||
| Joseph Morris | Democratic | March 4, 1843 – March 4, 1847 | ||
| Jeremiah Morrow | Democratic-Republican | October 17, 1803 – March 4, 1813 | ||
| Jeremiah Morrow | Whig | October 13, 1840 – March 4, 1843 | ||
| Charles A. Mosher | Republican | January 3, 1961 – January 3, 1977 | ||
| Harold G. Mosier | Democratic | January 3, 1937 – January 3, 1939 | ||
| Richard Mott | Opposition | March 4, 1855 – March 4, 1857 | ||
| Richard Mott | Republican | March 4, 1857 – March 4, 1859 | ||
| Ronald M. Mottl | Democratic | January 3, 1975 – January 3, 1983 | ||
| Grant E. Mouser Jr. | Republican | March 4, 1929 – March 4, 1933 | ||
| Grant E. Mouser | Republican | March 4, 1905 – March 4, 1909 | ||
| Francis Swaine Muhlenberg | Anti-Jacksonian | December 19, 1828 – March 4, 1829 | ||
| William Mungen | Democratic | March 4, 1867 – March 4, 1871 | ||
| B. Frank Murphy | Republican | March 4, 1919 – March 4, 1933 | ||
| Robert Maynard Murray | Democratic | March 4, 1883 – March 4, 1885 | ||
| Henry S. Neal | Republican | March 4, 1877 – March 4, 1879 | ||
| Henry S. Neal | Republican | March 4, 1879 – March 4, 1881 | ||
| Henry S. Neal | Republican | March 4, 1881 – March 4, 1883 | ||
| Lawrence T. Neal | Democratic | March 4, 1873 – March 4, 1877 | ||
| Robert M. Nevin | Republican | March 4, 1901 – March 4, 1907 | ||
| Eben Newton | Whig | March 4, 1851 – March 4, 1853 | ||
| Bob Ney | Republican | January 3, 1995 – November 3, 2006 | Resigned | |
| Matthias H. Nichols | Democratic | March 4, 1853 – March 4, 1855 | ||
| Matthias H. Nichols | Opposition | March 4, 1855 – March 4, 1857 | ||
| Matthias H. Nichols | Republican | March 4, 1857 – March 4, 1859 | ||
| Warren P. Noble | Democratic | March 4, 1861 – March 4, 1865 | ||
| Stephen A. Northway | Republican | March 4, 1893 – September 8, 1898 | Died | |
| James A. Norton | Democratic | March 4, 1897 – March 4, 1903 | ||
| Miner Gibbs Norton | Republican | March 4, 1921 – March 4, 1923 | ||
| Robert H. Nugen | Democratic | March 4, 1861 – March 4, 1863 | ||
| John O'Neill | Democratic | March 4, 1863 – March 4, 1865 | ||
| Mary Rose Oakar | Democratic | January 3, 1977 – January 3, 1993 | ||
| Lewis P. Ohliger | Democratic | December 5, 1892 – March 4, 1893 | ||
| Edson B. Olds | Democratic | March 4, 1849 – March 4, 1853 | ||
| Edson B. Olds | Democratic | March 4, 1853 – March 4, 1855 | ||
| Joseph H. Outhwaite | Democratic | March 4, 1885 – March 4, 1891 | ||
| Joseph H. Outhwaite | Democratic | March 4, 1891 – March 4, 1893 | ||
| Joseph H. Outhwaite | Democratic | March 4, 1893 – March 4, 1895 | ||
| Arthur W. Overmyer | Democratic | March 4, 1915 – March 4, 1919 | ||
| James W. Owens | Democratic | March 4, 1889 – March 4, 1891 | ||
| James W. Owens | Democratic | March 4, 1891 – March 4, 1893 | ||
| Mike Oxley | Republican | June 25, 1981 – January 3, 2007 | ||
| David Raymond Paige | Democratic | March 4, 1883 – March 4, 1885 | ||
| Isaac Parrish | Democratic | March 4, 1839 – March 4, 1841 | ||
| Isaac Parrish | Democratic | March 4, 1845 – March 4, 1847 | ||
| Richard Chappel Parsons | Republican | March 4, 1873 – March 4, 1875 | ||
| John Patterson | Adams-Clay Democratic-Republican | March 4, 1823 – March 4, 1825 | ||
| William Patterson | Jacksonian | March 4, 1833 – March 4, 1837 | ||
| John M. Pattison | Democratic | March 4, 1891 – March 4, 1893 | ||
| Henry B. Payne | Democratic | March 4, 1875 – March 4, 1877 | ||
| Albert J. Pearson | Democratic | March 4, 1891 – March 4, 1893 | ||
| Albert J. Pearson | Democratic | March 4, 1893 – March 4, 1895 | ||
| Don Pease | Democratic | January 3, 1977 – January 3, 1993 | ||
| Erasmus D. Peck | Republican | April 23, 1870 – March 4, 1873 | ||
| George H. Pendleton | Democratic | March 4, 1857 – March 4, 1865 | ||
| Nathanael Greene Pendleton | Whig | March 4, 1841 – March 4, 1843 | ||
| Augustus L. Perrill | Democratic | March 4, 1845 – March 4, 1847 | ||
| Aaron Fyfe Perry | Republican | March 4, 1871 – ??, 1872 | Resigned | |
| Fremont Orestes Phillips | Republican | March 4, 1899 – March 4, 1901 | ||
| Tobias A. Plants | Republican | March 4, 1865 – March 4, 1869 | ||
| James G. Polk | Democratic | March 4, 1931 – January 3, 1941 | ||
| James G. Polk | Democratic | January 3, 1949 – April 28, 1959 | Died | |
| Earley F. Poppleton | Democratic | March 4, 1875 – March 4, 1877 | ||
| Rob Portman | Republican | May 4, 1993 – April 29, 2005 | Resigned after being appointed US Trade Representative | |
| James D. Post | Democratic | March 4, 1911 – March 4, 1915 | ||
| Emery D. Potter | Democratic | March 4, 1843 – March 4, 1845 | ||
| Emery D. Potter | Democratic | March 4, 1849 – March 4, 1851 | ||
| Walter E. Powell | Republican | January 3, 1971 – January 3, 1973 | ||
| Walter E. Powell | Republican | January 3, 1973 – January 3, 1975 | ||
| Deborah Pryce | Republican | January 3, 1993 – January 3, 2009 | ||
| Jacob J. Pugsley | Republican | March 4, 1887 – March 4, 1891 | ||
| Homer A. Ramey | Republican | January 3, 1943 – January 3, 1949 | ||
| Frazier Reams | Independent | January 3, 1951 – January 3, 1955 | ||
| Ralph Regula | Republican | January 3, 1973 – January 3, 2009 | ||
| Jim Renacci | Republican | January 3, 2011 – January 3, 2019 | ||
| Americus Vespucius Rice | Democratic | March 4, 1875 – March 4, 1879 | ||
| John B. Rice | Republican | March 4, 1881 – March 4, 1883 | ||
| Carl W. Rich | Republican | January 3, 1963 – January 3, 1965 | ||
| James A. D. Richards | Democratic | March 4, 1893 – March 4, 1895 | ||
| Edwin D. Ricketts | Republican | March 4, 1915 – March 4, 1917 | ||
| Edwin D. Ricketts | Republican | March 4, 1919 – March 4, 1923 | ||
| Albert Gallatin Riddle | Republican | March 4, 1861 – March 4, 1863 | ||
| Joseph Ridgway | Whig | March 4, 1837 – March 4, 1843 | ||
| Thomas Ritchey | Democratic | March 4, 1847 – March 4, 1849 | ||
| Thomas Ritchey | Democratic | March 4, 1853 – March 4, 1855 | ||
| Byron F. Ritchie | Democratic | March 4, 1893 – March 4, 1895 | ||
| James M. Ritchie | Republican | March 4, 1881 – March 4, 1883 | ||
| James S. Robinson | Republican | March 4, 1881 – January 12, 1885 | Resigned to become Ohio Secretary of State | |
| James W. Robinson | Republican | March 4, 1873 – March 4, 1875 | ||
| Jacob Romeis | Republican | March 4, 1885 – March 4, 1889 | ||
| Joseph M. Root | Whig | March 4, 1845 – March 4, 1849 | ||
| Joseph M. Root | Free Soil | March 4, 1849 – March 4, 1851 | ||
| Thomas R. Ross | Democratic-Republican | March 4, 1819 – March 4, 1823 | ||
| Thomas R. Ross | Crawford Democratic-Republican | March 4, 1823 – March 4, 1825 | ||
| Harry N. Routzohn | Republican | January 3, 1939 – January 3, 1941 | ||
| Edmund Rowe | Republican | January 3, 1943 – January 3, 1945 | ||
| J. Edward Russell | Republican | March 4, 1915 – March 4, 1917 | ||
| William Russell | Jacksonian | March 4, 1827 – March 4, 1833 | ||
| William Russell | Whig | March 4, 1841 – March 4, 1843 | ||
| Tim Ryan | Democratic | January 3, 2003 – January 3, 2013 | ||
| Tim Ryan | Democratic | January 3, 2013 – Present | Incumbent | |
| Henry St. John | Democratic | March 4, 1843 – March 4, 1847 | ||
| William R. Sapp | Whig | March 4, 1853 – March 4, 1855 | ||
| William R. Sapp | Opposition | March 4, 1855 – March 4, 1857 | ||
| John S. Savage | Democratic | March 4, 1875 – March 4, 1877 | ||
| Thomas C. Sawyer | Democratic | January 3, 1987 – January 3, 2003 | ||
| William Sawyer | Democratic | March 4, 1845 – March 4, 1849 | ||
| Milton Sayler | Democratic | March 4, 1873 – March 4, 1879 | ||
| Paul F. Schenck | Republican | November 6, 1951 – January 3, 1965 | ||
| Robert C. Schenck | Whig | March 4, 1843 – March 4, 1851 | ||
| Robert C. Schenck | Republican | March 4, 1863 – January 5, 1871 | Resigned to become Minister to Great Britain | |
| Gordon H. Scherer | Republican | January 3, 1953 – January 3, 1963 | ||
| Jean Schmidt | Republican | August 2, 2005 – January 3, 2013 | ||
| Thomas E. Scroggy | Republican | March 4, 1905 – March 4, 1907 | ||
| James Seccombe | Republican | January 3, 1939 – January 3, 1941 | ||
| Robert T. Secrest | Democratic | March 4, 1933 – August 3, 1942 | Resigned to enter the United States Navy | |
| Robert T. Secrest | Democratic | January 3, 1949 – September 26, 1954 | Resigned to become a member of the Federal Trade Commission | |
| Robert T. Secrest | Democratic | January 3, 1963 – December 30, 1966 | Resigned | |
| Francis Seiberling | Republican | March 4, 1929 – March 4, 1933 | ||
| John F. Seiberling Jr. | Democratic | January 3, 1971 – January 3, 1987 | ||
| George E. Seney | Democratic | March 4, 1883 – March 4, 1885 | ||
| George E. Seney | Democratic | March 4, 1885 – March 4, 1887 | ||
| George E. Seney | Democratic | March 4, 1887 – March 4, 1891 | ||
| Bob Shamansky | Democratic | January 3, 1981 – January 3, 1983 | ||
| Thomas Shannon | Anti-Jacksonian | December 4, 1826 – March 4, 1827 | ||
| Wilson Shannon | Democratic | March 4, 1853 – March 4, 1855 | ||
| William G. Sharp | Democratic | March 4, 1909 – July 23, 1914 | Resigned to become US Ambassador to France | |
| William Bunn Shattuc | Republican | March 4, 1897 – March 4, 1903 | ||
| Samuel Shellabarger | Republican | March 4, 1861 – March 4, 1863 | ||
| Samuel Shellabarger | Republican | March 4, 1865 – March 4, 1869 | ||
| Samuel Shellabarger | Republican | March 4, 1871 – March 4, 1873 | ||
| Matthias Shepler | Democratic | March 4, 1837 – March 4, 1839 | ||
| John Sherman | Opposition | March 4, 1855 – March 4, 1857 | ||
| John Sherman | Republican | March 4, 1857 – March 4, 1861 | ||
| Isaac R. Sherwood | Republican | March 4, 1873 – March 4, 1875 | ||
| Isaac R. Sherwood | Democratic | March 4, 1907 – March 4, 1921 | ||
| Isaac R. Sherwood | Democratic | March 4, 1923 – March 4, 1925 | ||
| James Shields | Jacksonian | March 4, 1829 – March 4, 1831 | ||
| Emanuel Shultz | Republican | March 4, 1881 – March 4, 1883 | ||
| William W. Skiles | Republican | March 4, 1901 – January 9, 1904 | Died | |
| Jonathan Sloane | Anti-Masonic | March 4, 1833 – March 4, 1837 | ||
| John Sloane | Democratic-Republican | March 4, 1819 – March 4, 1823 | ||
| John Sloane | Adams-Clay Democratic-Republican | March 4, 1823 – March 4, 1825 | ||
| John Sloane | Anti-Jacksonian | March 4, 1825 – March 4, 1829 | ||
| Frederick C. Smith | Republican | January 3, 1939 – January 3, 1951 | ||
| John Armstrong Smith | Republican | March 4, 1869 – March 4, 1873 | ||
| John Quincy Smith | Republican | March 4, 1873 – March 4, 1875 | ||
| Martin L. Smyser | Republican | March 4, 1889 – March 4, 1891 | ||
| Martin L. Smyser | Republican | March 4, 1905 – March 4, 1907 | ||
| John Stout Snook | Democratic | March 4, 1901 – March 4, 1905 | ||
| John Stout Snook | Democratic | March 4, 1917 – March 4, 1919 | ||
| Paul J. Sorg | Democratic | May 21, 1894 – March 4, 1897 | ||
| James H. Southard | Republican | March 4, 1895 – March 4, 1907 | ||
| Milton I. Southard | Democratic | March 4, 1873 – March 4, 1879 | ||
| Zack Space | Democratic | January 3, 2007 – January 3, 2011 | ||
| Rufus Paine Spalding | Republican | March 4, 1863 – March 4, 1869 | ||
| David Spangler | Anti-Jacksonian | March 4, 1833 – March 4, 1837 | ||
| John C. Speaks | Republican | March 4, 1921 – March 4, 1931 | ||
| Cyrus Spink | Republican | March 4, 1859 – May 31, 1859 | Died | |
| William P. Sprague | Republican | March 4, 1871 – March 4, 1875 | ||
| William Stanbery | Jacksonian | October 9, 1827 – March 4, 1831 | ||
| William Stanbery | Anti-Jacksonian | March 4, 1831 – March 4, 1833 | ||
| J. William Stanton | Republican | January 3, 1965 – January 3, 1983 | ||
| James V. Stanton | Democratic | January 3, 1971 – January 3, 1977 | ||
| Benjamin Stanton | Whig | March 4, 1851 – March 4, 1853 | ||
| Benjamin Stanton | Opposition | March 4, 1855 – March 4, 1857 | ||
| Benjamin Stanton | Republican | March 4, 1857 – March 4, 1861 | ||
| David A. Starkweather | Democratic | March 4, 1839 – March 4, 1841 | ||
| David A. Starkweather | Democratic | March 4, 1845 – March 4, 1847 | ||
| Ambrose E. B. Stephens | Republican | March 4, 1919 – February 12, 1927 | Died | |
| Job E. Stevenson | Republican | March 4, 1869 – March 4, 1873 | ||
| Steve Stivers | Republican | January 3, 2011 – Present | Incumbent | |
| Samuel Stokely | Whig | March 4, 1841 – March 4, 1843 | ||
| Louis Stokes | Democratic | January 3, 1969 – January 3, 1993 | ||
| Louis Stokes | Democratic | January 3, 1993 – January 3, 1999 | ||
| Alfred P. Stone | Democratic | October 8, 1844 – March 4, 1845 | ||
| Bellamy Storer | Anti-Jacksonian | March 4, 1835 – March 4, 1837 | ||
| Bellamy Storer | Republican | March 4, 1891 – March 4, 1895 | ||
| Peter Wilson Strader | Democratic | March 4, 1869 – March 4, 1871 | ||
| Ted Strickland | Democratic | January 3, 1993 – January 3, 1995 | ||
| Ted Strickland | Democratic | January 3, 1997 – January 3, 2007 | ||
| Luther M. Strong | Republican | March 4, 1893 – March 4, 1897 | ||
| Andrew Stuart | Democratic | March 4, 1853 – March 4, 1855 | ||
| Betty Sutton | Democratic | January 3, 2007 – January 3, 2013 | ||
| Henry Swearingen | Democratic | December 3, 1838 – March 4, 1841 | ||
| Martin L. Sweeney | Democratic | November 3, 1931 – January 3, 1943 | ||
| Robert E. Sweeney | Democratic | January 3, 1965 – January 3, 1967 | ||
| George Sweeny | Democratic | March 4, 1839 – March 4, 1843 | ||
| Charles Sweetser | Democratic | March 4, 1849 – March 4, 1853 | ||
| Robert M. Switzer | Republican | March 4, 1911 – March 4, 1919 | ||
| Charles Phelps Taft | Republican | March 4, 1895 – March 4, 1897 | Retired | |
| Robert Taft Jr. | Republican | January 3, 1963 – January 3, 1965 | Retired to run for U.S. Senate | |
| Robert Taft Jr. | Republican | January 3, 1967 – January 3, 1971 | Retired to run for U.S. Senate | |
| Charles Tatgenhorst Jr. | Republican | November 8, 1927 – March 4, 1929 | Elected to finish Ambrose E.B. Stephens's term Retired | |
| Robert Walker Tayler | Republican | March 4, 1895 – March 4, 1903 | Retired | |
| Edward L. Taylor Jr. | Republican | March 4, 1905 – March 4, 1913 | ||
| Ezra B. Taylor | Republican | December 13, 1880 – March 4, 1893 | ||
| Isaac Hamilton Taylor | Republican | March 4, 1885 – March 4, 1887 | ||
| John L. Taylor | Whig | March 4, 1847 – March 4, 1853 | ||
| John L. Taylor | Whig | March 4, 1853 – March 4, 1855 | ||
| Jonathan Taylor | Democratic | March 4, 1839 – March 4, 1841 | ||
| Joseph D. Taylor | Republican | January 2, 1883 – March 4, 1883 | ||
| Joseph D. Taylor | Republican | March 4, 1883 – March 4, 1885 | ||
| Joseph D. Taylor | Republican | March 4, 1887 – March 4, 1891 | ||
| Joseph D. Taylor | Republican | March 4, 1891 – March 4, 1893 | ||
| Vincent Albert Taylor | Republican | March 4, 1891 – March 4, 1893 | ||
| Thomas C. Theaker | Republican | March 4, 1859 – March 4, 1861 | ||
| William R. Thom | Democratic | March 4, 1933 – January 3, 1939 | ||
| William R. Thom | Democratic | January 3, 1941 – January 3, 1943 | ||
| William R. Thom | Democratic | January 3, 1945 – January 3, 1947 | ||
| W. Aubrey Thomas | Republican | November 8, 1904 – March 4, 1911 | ||
| Charles J. Thompson | Republican | March 4, 1919 – March 4, 1931 | ||
| Albert C. Thompson | Republican | March 4, 1885 – March 4, 1887 | ||
| Albert C. Thompson | Republican | March 4, 1887 – March 4, 1891 | ||
| John Thomson | Jacksonian | March 4, 1825 – March 4, 1827 | ||
| John Thomson | Jacksonian | March 4, 1829 – March 4, 1833 | ||
| John Thomson | Jacksonian | March 4, 1833 – March 4, 1837 | ||
| Allen G. Thurman | Democratic | March 4, 1845 – March 4, 1847 | ||
| Pat Tiberi | Republican | January 3, 2001 – January 15, 2018 | Resigned January 15, 2018, to lead the Ohio Business Roundtable | |
| Daniel Rose Tilden | Whig | March 4, 1843 – March 4, 1847 | ||
| Cydnor B. Tompkins | Republican | March 4, 1857 – March 4, 1861 | ||
| Emmett Tompkins | Republican | March 4, 1901 – March 4, 1903 | ||
| William E. Tou Velle | Democratic | March 4, 1907 – March 4, 1911 | ||
| Amos Townsend | Republican | March 4, 1877 – March 4, 1883 | ||
| Norton S. Townshend | Democratic | March 4, 1851 – March 4, 1853 | ||
| James Traficant | Democratic | January 3, 1985 – July 24, 2002 | Expelled after being convicted of federal corruption charges | |
| Carey A. Trimble | Republican | March 4, 1859 – March 4, 1863 | ||
| Charles V. Truax | Democratic | March 4, 1933 – August 9, 1935 | Died | |
| Mike Turner | Republican | January 3, 2003 – January 3, 2013 | Incumbent | |
| Mike Turner | Republican | January 3, 2013 – Present | Incumbent | |
| Mell G. Underwood | Democratic | March 4, 1923 – April 10, 1936 | Resigned after becoming judge of the US District Court for the Southern District of Ohio | |
| Jonathan T. Updegraff | Republican | March 4, 1879 – March 4, 1881 | Died. | |
| Jonathan T. Updegraff | Republican | March 4, 1881 – November 30, 1882 | Died. | |
| William Hanford Upson | Republican | March 4, 1869 – March 4, 1873 | ||
| Clement L. Vallandigham | Democratic | May 25, 1858 – March 4, 1863 | ||
| Philadelph Van Trump | Democratic | March 4, 1867 – March 4, 1873 | ||
| H. Clay Van Voorhis | Republican | March 4, 1893 – March 4, 1905 | ||
| Nelson Holmes Van Vorhes | Republican | March 4, 1875 – March 4, 1879 | ||
| John L. Vance | Democratic | March 4, 1875 – March 4, 1877 | ||
| Joseph Vance | Democratic-Republican | March 4, 1821 – March 4, 1823 | ||
| Joseph Vance | Adams-Clay Democratic-Republican | March 4, 1823 – March 4, 1825 | ||
| Joseph Vance | Anti-Jacksonian | March 4, 1825 – March 4, 1829 | ||
| Joseph Vance | Anti-Jacksonian | March 4, 1829 – March 4, 1833 | ||
| Joseph Vance | Anti-Jacksonian | March 4, 1833 – March 4, 1835 | ||
| Joseph Vance | Whig | March 4, 1843 – March 4, 1847 | ||
| Charles Vanik | Democratic | January 3, 1955 – January 3, 1969 | ||
| Charles Vanik | Democratic | January 3, 1969 – January 3, 1981 | ||
| John I. Vanmeter | Whig | March 4, 1843 – March 4, 1845 | ||
| Samuel Finley Vinton | Adams-Clay Democratic-Republican | March 4, 1823 – March 4, 1825 | ||
| Samuel Finley Vinton | Anti-Jacksonian | March 4, 1825 – March 4, 1829 | ||
| Samuel Finley Vinton | Anti-Jacksonian | March 4, 1829 – March 4, 1833 | ||
| Samuel Finley Vinton | Anti-Jacksonian | March 4, 1833 – March 4, 1835 | ||
| Samuel Finley Vinton | Whig | March 4, 1835 – March 4, 1837 | ||
| Samuel Finley Vinton | Whig | March 4, 1843 – March 4, 1851 | ||
| John M. Vorys | Republican | January 3, 1939 – January 3, 1959 | ||
| Edward Wade | Free Soil | March 4, 1853 – March 4, 1855 | ||
| Edward Wade | Opposition | March 4, 1855 – March 4, 1857 | ||
| Edward Wade | Republican | March 4, 1857 – March 4, 1861 | ||
| Earl T. Wagner | Democratic | January 3, 1949 – January 3, 1951 | ||
| Jonathan Hasson Wallace | Democratic | May 27, 1884 – March 4, 1885 | ||
| Ansel T. Walling | Democratic | March 4, 1875 – March 4, 1877 | ||
| Adoniram J. Warner | Democratic | March 4, 1879 – March 4, 1881 | ||
| Adoniram J. Warner | Democratic | March 4, 1883 – March 4, 1885 | ||
| Adoniram J. Warner | Democratic | March 4, 1885 – March 4, 1887 | ||
| William R. Warnock | Republican | March 4, 1901 – March 4, 1905 | ||
| John G. Warwick | Democratic | March 4, 1891 – August 14, 1892 | Died | |
| Cooper K. Watson | Opposition | March 4, 1855 – March 4, 1857 | ||
| David K. Watson | Republican | March 4, 1895 – March 4, 1897 | ||
| Walter Lowrie Weaver | Republican | March 4, 1897 – March 4, 1901 | ||
| Amos R. Webber | Republican | November 8, 1904 – March 4, 1907 | ||
| Ed Weber | Republican | January 3, 1981 – January 3, 1983 | ||
| Taylor Webster | Jacksonian | March 4, 1833 – March 4, 1837 | ||
| Taylor Webster | Democratic | March 4, 1837 – March 4, 1839 | ||
| Capell L. Weems | Republican | November 3, 1903 – March 4, 1909 | ||
| Alvin F. Weichel | Republican | January 3, 1943 – January 3, 1955 | ||
| John Welch | Whig | March 4, 1851 – March 4, 1853 | ||
| Martin Welker | Republican | March 4, 1865 – March 4, 1871 | ||
| John B. Weller | Democratic | March 4, 1839 – March 4, 1845 | ||
| Benjamin F. Welty | Democratic | March 4, 1917 – March 4, 1921 | ||
| Brad Wenstrup | Republican | January 3, 2013 – Present | Incumbent | |
| Charles F. West | Democratic | March 4, 1931 – January 3, 1935 | ||
| Charles W. Whalen Jr. | Republican | January 3, 1967 – January 3, 1979 | ||
| John Jefferson Whitacre | Democratic | March 4, 1911 – March 4, 1915 | ||
| Chilton A. White | Democratic | March 4, 1861 – March 4, 1865 | ||
| Dudley A. White | Republican | January 3, 1937 – January 3, 1941 | ||
| George White | Democratic | March 4, 1911 – March 4, 1915 | ||
| George White | Democratic | March 4, 1917 – March 4, 1919 | ||
| Joseph W. White | Democratic | March 4, 1863 – March 4, 1865 | ||
| Wilbur M. White | Republican | March 4, 1931 – March 4, 1933 | ||
| William J. White | Republican | March 4, 1893 – March 4, 1895 | ||
| Elisha Whittlesey | Adams-Clay Democratic-Republican | March 4, 1823 – March 4, 1825 | Resigned | |
| Elisha Whittlesey | Anti-Jacksonian | March 4, 1825 – March 4, 1829 | Resigned | |
| Elisha Whittlesey | Anti-Jacksonian | March 4, 1829 – March 4, 1833 | Resigned | |
| Elisha Whittlesey | Anti-Masonic | March 4, 1833 – March 4, 1835 | Resigned | |
| Elisha Whittlesey | Whig | March 4, 1835 – July 9, 1838 | Resigned | |
| William A. Whittlesey | Democratic | March 4, 1849 – March 4, 1851 | ||
| Charles Preston Wickham | Republican | March 4, 1887 – March 4, 1891 | ||
| Beriah Wilkins | Democratic | March 4, 1883 – March 4, 1885 | ||
| Beriah Wilkins | Democratic | March 4, 1885 – March 4, 1887 | ||
| Beriah Wilkins | Democratic | March 4, 1887 – March 4, 1889 | ||
| Elihu S. Williams | Democratic | March 4, 1887 – March 4, 1891 | ||
| Lyle Williams | Republican | January 3, 1979 – January 3, 1983 | ||
| Lyle Williams | Republican | January 3, 1983 – January 3, 1985 | ||
| Seward H. Williams | Republican | March 4, 1915 – March 4, 1917 | ||
| Frank B. Willis | Republican | March 4, 1911 – January 9, 1915 | Resigned after being elected Governor | |
| Charlie Wilson | Democratic | January 3, 2007 – January 3, 2011 | ||
| George W. Wilson | Republican | March 4, 1893 – March 4, 1897 | ||
| John Thomas Wilson | Republican | March 4, 1867 – March 4, 1873 | ||
| William Wilson | Crawford Democratic-Republican | March 4, 1823 – March 4, 1825 | ||
| William Wilson | Anti-Jacksonian | March 4, 1825 – June 6, 1827 | Died | |
| James J. Winans | Republican | March 4, 1869 – March 4, 1871 | ||
| Amos E. Wood | Democratic | December 3, 1849 – November 19, 1850 | Died | |
| John Woods | Anti-Jacksonian | March 4, 1825 – March 4, 1829 | ||
| Laurin D. Woodworth | Republican | March 4, 1873 – March 4, 1877 | ||
| Samuel T. Worcester | Republican | March 4, 1861 – March 4, 1863 | ||
| John C. Wright | Adams-Clay Democratic-Republican | March 4, 1823 – March 4, 1825 | ||
| John C. Wright | Anti-Jacksonian | March 4, 1825 – March 4, 1829 | ||
| Chalmers P. Wylie | Republican | January 3, 1967 – January 3, 1993 | ||
| Samuel S. Yoder | Democratic | March 4, 1887 – March 4, 1891 | ||
| Stephen M. Young | Democratic | March 4, 1933 – January 3, 1937 | ||
| Stephen M. Young | Democratic | January 3, 1941 – January 3, 1943 | ||
| Stephen M. Young | Democratic | January 3, 1949 – January 3, 1951 | ||
| Thomas L. Young | Republican | March 4, 1879 – March 4, 1883 |
Living former members
, there are 34 former members. The most recent member to die was William J. Keating on May 20, 2020. The most recently serving member to die was Steve LaTourette on August 3, 2016.| Member | Term of office | Date of birth |
| Bud Brown | 1965–1983 | |
| James V. Stanton | 1971–1977 | |
| Ronald M. Mottl | 1975–1983 | |
| Bill Gradison | 1975–1993 | |
| Mary Rose Oakar | 1977–1993 | |
| Douglas Applegate | 1977–1995 | |
| Tony P. Hall | 1979–2002 | |
| Ed Weber | 1981–1983 | |
| Dennis E. Eckart | 1981–1993 | |
| Bob McEwen | 1981–1993 | |
| Jean Spencer Ashbrook | 1982–1983 | |
| Mike DeWine | 1983–1991 | |
| Ed Feighan | 1983–1993 | |
| John Kasich | 1983–2001 | |
| Thomas C. Sawyer | 1987–2003 | |
| Charlie Luken | 1991–1993 | |
| Dave Hobson | 1991–2009 | |
| John Boehner | 1991–2015 | |
| David S. Mann | 1993–1995 | |
| Eric Fingerhut | 1993–1995 | |
| Ted Strickland | 1993–1995 1997–2007 | |
| Martin Hoke | 1993–1997 | |
| Rob Portman | 1993–2005 | |
| Sherrod Brown | 1993–2007 | |
| Deborah Pryce | 1993–2009 | |
| Bob Ney | 1995–2006 | |
| Dennis Kucinich | 1997–2013 | |
| Pat Tiberi | 2001–2018 | |
| Jean Schmidt | 2005–2013 | |
| Zack Space | 2007–2011 | |
| Betty Sutton | 2007–2013 | |
| Steve Driehaus | 2009–2011 | |
| John Boccieri | 2009–2011 | |
| Steve Austria | 2009–2013 | |
| Jim Renacci | 2011–2019 |