United States congressional delegations from Oregon
These are tables of congressional delegations from Oregon to the United States Senate and United States House of Representatives.
United States Senate
| Class 2 Senators | Congress | Class 3 Senators |
| Delazon Smith | 35th | Joseph Lane |
| Vacant | 36th | - |
| Edward D. Baker | 36th | - |
| 37th | James W. Nesmith | - |
| 37th | Benjamin Stark | - |
| 37th | Benjamin F. Harding | - |
| 38th | - | - |
| George Henry Williams | 39th | - |
| 40th | Henry W. Corbett | - |
| 41st | - | - |
| James K. Kelly | 42nd | - |
| 43rd | John H. Mitchell | - |
| 44th | - | - |
| La Fayette Grover | 45th | - |
| 46th | James H. Slater | - |
| 47th | - | - |
| Joseph N. Dolph | 48th | - |
| 49th | Vacant | - |
| 49th | John H. Mitchell | - |
| 50th | - | - |
| 51st | - | - |
| 52nd | - | - |
| 53rd | - | - |
| George W. McBride | 54th | - |
| 55th | Vacant | - |
| 55th | Joseph Simon | - |
| 56th | - | - |
| John H. Mitchell | 57th | - |
| 58th | Charles W. Fulton | - |
| 59th | - | - |
| 59th | John M. Gearin | - |
| 59th | Frederick W. Mulkey | - |
| Jonathan Bourne, Jr. | 60th | - |
| 61st | George E. Chamberlain | - |
| 62nd | - | - |
| Harry Lane | 63rd | - |
| 64th | - | - |
| 65th | - | - |
| 65th | Charles L. McNary | - |
| 65th | Frederick W. Mulkey | - |
| 65th | Charles L. McNary | - |
| 66th | - | - |
| 67th | Robert N. Stanfield | - |
| 68th | - | - |
| 69th | - | - |
| 70th | Frederick Steiwer | - |
| 71st | - | - |
| 72nd | - | - |
| 73rd | - | - |
| 74th | - | - |
| 75th | - | - |
| 75th | Alfred Evan Reames | - |
| 75th | Alexander G. Barry | - |
| 76th | Rufus C. Holman | - |
| 77th | - | - |
| 78th | - | - |
| 78th | Guy Cordon | - |
| 79th | Wayne L. Morse | - |
| 80th | - | - |
| 81st | - | - |
| 82nd | - | - |
| 83rd | Wayne L. Morse | - |
| Richard L. Neuberger | 84th | Wayne L. Morse |
| 85th | - | - |
| 86th | - | - |
| 86th | Hall S. Lusk | - |
| 86th | Maurine Brown Neuberger | - |
| 87th | - | - |
| 88th | - | - |
| 89th | - | - |
| Mark Hatfield | 90th | - |
| 91st | Bob Packwood | - |
| 92nd | - | - |
| 93rd | - | - |
| 94th | - | - |
| 95th | - | - |
| 96th | - | - |
| 97th | - | - |
| 98th | - | - |
| 99th | - | - |
| 100th | - | - |
| 101st | - | - |
| 102nd | - | - |
| 103rd | - | - |
| 104th | - | - |
| 104th | Ron Wyden | - |
| Gordon Smith | 105th | - |
| 106th | - | - |
| 107th | - | - |
| 108th | - | - |
| 109th | - | - |
| 110th | - | - |
| Jeff Merkley | 111th | - |
| 112th | - | - |
| 113th | - | - |
| 114th | - | - |
| 115th | - | - |
| 116th | - | - |
House of Representatives
1849 - 1859: One non-voting Delegate
| Congress | |
| 31st | Samuel Thurston |
| 32nd | Joseph Lane |
| 33rd | Joseph Lane |
| 34th | Joseph Lane |
| 35th | Joseph Lane |
1859 - 1893: One seat
After statehood on February 14, 1859, Oregon had one seat, elected At-large statewide.| Congress | |
| 35th | La Fayette Grover |
| 36th | Lansing Stout |
| 37th | Andrew J. Thayer |
| 37th | George K. Shiel |
| 38th | John R. McBride |
| 39th | James Henry Dickey Henderson |
| 40th | Rufus Mallory |
| 41st | Joseph Showalter Smith |
| 42nd | James Harvey Slater |
| 43rd | Joseph Gardner Wilson |
| 43rd | James W. Nesmith |
| 44th | George Augustus La Dow |
| 44th | Lafayette Lane |
| 45th | Richard Williams |
| 46th | John Whiteaker |
| 47th | Melvin Clark George |
| 48th | - |
| 49th | Binger Hermann |
| 50th | - |
| 51st | - |
| 52nd | - |