1906 United States gubernatorial elections
United States gubernatorial elections were held in 1906, in 28 states, concurrent with the House and Senate elections, on November 6, 1906.
In Iowa, the gubernatorial election was held in an even-numbered year for the first time, having previously been held in odd-numbered years with the previous election taking place in 1903.
In Oregon, the gubernatorial election was held in June for the last time, moving to the same day as federal elections from the 1910 elections.
Results
| State | Incumbent | Party | Status | Opposing Candidates |
| Alabama | William D. Jelks | Democratic | Term-limited, Democratic victory | Braxton Bragg Comer 85.48% Asa E. Stratton 13.94% J. N. Abbott 0.58% |
| Arkansas | Jeff Davis | Democratic | Retired to run for U.S. Senate, Democratic victory | John S. Little 69.12% John I. Worthington 27.29% John G. Adams 2.16% Dan Hogan 1.43% |
| California | George Pardee | Republican | Lost Republican nomination, Republican victory | James Norris Gillett 40.35% Theodore Arlington Bell 37.71% William H. Langdon 14.43% Austin Lewis 5.14% James H. Blanchard 2.36% Scattering 0.01% |
| Colorado | Jesse Fuller McDonald | Republican | Retired, Republican victory | Henry A. Buchtel 45.59% Alva Adams 36.63% Ben B. Lindsey 8.87% William D. Haywood 7.88% Frank C. Chamberlain 1.03% |
| Connecticut | Henry Roberts | Republican | Retired, Republican victory | Rollin S. Woodruff 54.83% Charles Frederick Thayer 42.05% Ernest D. Hull 1.82% Matthew E. O'Brien 1.13% Charles F. Roberts 0.17% |
| Georgia | Joseph M. Terrell | Democratic | Term-limited, Democratic victory | M. Hoke Smith 99.84% J. B. Osburn 0.16% √ M. Hoke Smith def. Clark Howell John H. Estill Richard B. Russell James M. Smith G. A. Nunnally |
| Idaho | Frank R. Gooding | Republican | Re-elected, 52.18% | Charles O. Stockslager 40.09% Thomas F. Kelley 6.32% Scattering 1.41% |
| Iowa | Albert B. Cummins | Republican | Re-elected, 50.18% | Claude R. Porter 45.36% Lorenzo S. Coggin 2.28% John E. Shank 2.02% J. R. Norman 0.08% Andrew Townsend Hisey 0.08% |
| Kansas | Edward W. Hoch | Republican | Re-elected, 48.24% | William A. Harris Jr. 47.57% J. B. Cook 2.42% Harry Gilham 1.41% Horace A. Keefer 0.36% |
| Maine | William T. Cobb | Republican | Re-elected, 52.00% | C. W. Davis 45.96% Charles L. Fox 1.16% Henry Woodward 0.85% Scattering 0.03% |
| Massachusetts | Curtis Guild Jr. | Republican | Re-elected, 51.96% | John B. Moran 44.90% James F. Carey 1.85% Gamaliel Bradford 0.77% William H. Carroll 0.51% Scattering 0.01% |
| Michigan | Fred M. Warner | Republican | Re-elected, 60.88% | Charles H. Kimmerle 34.78% R. Clark Reed 2.45% James E. Walker 1.59% Herman Richter 0.31% |
| Minnesota | John Albert Johnson | Democratic | Re-elected, 60.93% | Albert L. Cole 34.78% Charles W. Dorsett 2.61% O. E. Lofthus 1.68% |
| Nebraska | John H. Mickey | Republican | George L. Sheldon 51.27% Ashton C. Shallenberger 44.48% H. T. Sutton 2.68% Elisha Taylor 1.57% | |
| Nevada | John Sparks | Silver-Democrat | Re-elected, 58.54% | Jason F. Mitchell 35.96% Thomas B. Casey 5.49% |
| New Hampshire | John McLane | Republican | Charles M. Floyd 49.79% Nathan C. Jameson 46.22% Edmund B. Tetley 2.71% W. H. McFall 1.24% Winston Churchill 0.04% Scattering 0.01% | |
| New York | Frank W. Higgins | Republican | Retired, Republican victory | Charles Evans Hughes 50.52% William Randolph Hearst 46.62% John C. Chase 1.47% Henry M. Randall 1.08% Thomas H. Jackson 0.31% |
| North Dakota | Elmore Y. Sarles | Republican | Defeated, 44.22% | John Burke 51.94% L. F. Dow 1.48% Scattering 2.37% |
| Oregon | George Earle Chamberlain | Democratic | Re-elected, 47.56% | James Withycombe 44.99% C. W. Barzee 4.62% I. H. Amos 2.83% |
| Pennsylvania | Samuel W. Pennypacker | Republican | Term-limited, Republican victory | Edwin Sydney Stuart 50.31% Lewis Emery Jr. 45.51% Homer L. Castle 2.46% James Hudson Maurer 1.51% John Desmond 0.21% |
| Rhode Island | George H. Utter | Republican | Defeated, 47.94% | James H. Higgins 49.92% Bernan E. Helme 1.07% Warren A. Carpenter 0.59% David J. Moran 0.48% |
| South Carolina | Duncan Clinch Heyward | Democratic | Term-limited, Democratic victory | Martin Frederick Ansel 99.89% F. N. U. Chandler 0.11% Martin Frederick Ansel 56.12% Richard Irvine Manning III 43.88% |
| South Dakota | Samuel H. Elrod | Republican | Retired, Republican victory | Coe I. Crawford 65.32% John A. Stransky 26.72% Knute Lewis 4.56% Freeman Knowles 3.41% |
| Tennessee | John I. Cox | Democratic | Lost Democratic nomination, Democratic victory | Malcolm R. Patterson 54.42% Henry Clay Evans 45.14% John M. Ray 0.44% |
| Texas | S. W. T. Lanham | Democratic | Retired, Democratic victory | Thomas M. Campbell 81.17% C. A. Gray 12.94% Alex W. Atcheson 2.94% George C. Edwards 1.61% J. W. Pearson 1.21% Arthur S. Dowler 0.14% |
| Vermont | Charles J. Bell | Republican | Retired, Republican victory | Fletcher D. Proctor 60.05% Percival Wood Clement 38.18% Lester W. Hanson 1.04% Timothy Sullivan 0.73% Scattering 0.01% |
| Wisconsin | James O. Davidson | Republican | Re-elected, 57.36% | John A. Aylward 32.28% Winfield R. Gaylord 7.64% Ephraim Llewellyn Eaton 2.57% Ole T. Rosaas 0.14% Scattering 0.01% |
| Wyoming | Bryant B. Brooks | Republican | Re-elected, 60.20% | Stephen A. D. Keister 34.85% William L.O'Neill 4.56% George W. Blain 0.39% |