Results -- Republican holds in light red, pickups in dark red, Democratic holds in light blue, pickups in dark blue The U.S. Senate election, 1926 was an election for the United States Senate which occurred in the middle of Republican President Calvin Coolidge's second term. Although Coolidge remained popular, the Republican majority was reduced by six seats. Democrats defeated the following incumbents: - Ralph H. Cameron (R-AZ)
- Richard P. Ernst (R-KY)
- Ovington E. Weller (R-MD)
- William M. Butler (R-MA)
- James W. Wadsworth, Jr. (R-NY)
- John W. Harreld (R-OK)
Senate contests in 1926
| State | Incumbent | Party | Status | Opposing Candidates | | Alabama | Oscar W. Underwood | Democrat | Retired: Democrat victory, 80.9 - 19.1 | Hugo L. Black (Democrat) E. H. Dryer (Republican)
| | Arizona | Ralph H. Cameron | Republican | Defeated, 58.3 - 41.7 | Carl Hayden (Democrat)
| | Arkansas | Thaddeus H. Caraway | Democrat | Re-elected, 82.8 - 17.2 | R. A. Jones (Republican)
| | California | Samuel M. Shortridge | Republican | Re-elected, 63.1 - 36.9 | John B. Elliott (Democrat)
| | Colorado | Rice W. Means | Republican | Retired: Republican victory, 50.3 - 46.4 | Charles W. Waterman (Republican) William E. Sweet (Democrat)
| | Connecticut | Hiram Bingham | Republican | Re-elected, 63.3 - 35.6 | Rollin U. Tyler (Democrat)
| | Florida | Duncan U. Fletcher | Democrat | Re-elected, 77.9 - 12.8 | John M. Lindsay (Independent)
| | Georgia | Walter F. George | Democrat | Re-elected, unopposed | | | Idaho | Frank R. Gooding | Republican | Re-elected, 45.4 - 29.6 - 25.0 | H. F. Samuels (Progressive) John F. Nugent (Democrat)
| | Illinois | William B. McKinley | Republican | Retired: Republican victory, 46.9 - 43.1 - 8.7 | Frank L. Smith (Republican) George E. Brennan (Democrat) Hugh S. Magill (Independent)
| | Indiana1 | Arthur R. Robinson | Republican | Re-elected, 50.6 - 48.4 | Evans Woollen (Democrat)
| | Indiana | James E. Watson | Republican | Re-elected, 50.0 - 49.0 | Albert Stump (Democrat)
| | Iowa | David W. Stewart | Republican | Retired: Republican victory, 56.5 - 43.3 | Smith W. Brookhart (Republican) Claude R. Porter (Democrat)
| | Kansas | Charles Curtis | Republican | Re-elected, 63.6 - 34.7 | Charles Stephens (Democrat)
| | Kentucky | Richard P. Ernst | Republican | Defeated, 51.8 - 48.2 | Alben W. Barkley (Democrat)
| | Louisiana | Edwin S. Broussard | Democrat | Re-elected, unopposed | | | Maine2 | Arthur J. Gould | Republican | Re-elected, 71.8 - 28.2 | Fulton J. Redman (Democrat)
| | Maryland | Ovington E. Weller | Republican | Defeated, 57.6 - 41.3 | Millard E. Tydings (Democrat)
| | Massachusetts3 | William M. Butler | Republican | Defeated, 52.0 - 46.5 | David I. Walsh (Democrat)
| | Missouri | Harry B. Hawes | Democrat | Re-elected, 51.3 - 47.7 | George H. Williams (Republican)
| | Nevada | Tasker L. Oddie | Republican | Re-elected, 55.8 - 42.5 | Ray T. Baker (Democrat)
| | New Hampshire | George H. Moses | Republican | Re-elected, 62.3 - 37.7 | Robert C. Murchie (Democrat)
| | New York | James W. Wadsworth, Jr. | Republican | Defeated, 46.5 - 42.4 - 8.2 | Robert F. Wagner (Democrat) F. W. Cristman (Independent)
| | North Carolina | Lee S. Overman | Democrat | Re-elected, 60.5 - 39.5 | Johnson J. Hayes (Republican)
| | North Dakota | Gerald P. Nye | Republican | Re-elected, 69.6 - 12.2 - 8.7 - 6.3 | Norris H. Nelson (Independent) F. F. Burchard (Democrat) C. P. Stone (Independent)
| | Ohio | Frank B. Willis | Republican | Re-elected, 53.2 - 46.6 | Atlee Pomerene (Democrat)
| | Oklahoma | John W. Harreld | Republican | Defeated, 54.8 - 44.7 | Elmer Thomas (Democrat)
| | Oregon | Robert N. Stanfield | Republican | Defeated as Independent, 39.8 - 36.3 - 22.5 | Frederick Steiwer (Republican) Bert E. Haney (Democrat)
| | Pennsylvania | George W. Pepper | Republican | Retired: Republican victory, 54.6 - 43.1 | William S. Vare (Republican) William B. Wilson (Democrat)
| | South Carolina | Ellison D. Smith | Democrat | Re-elected, unopposed | | | South Dakota | Peter Norbeck | Republican | Re-elected, 59.5 - 33.3 - 7.2 | C. J. Gunderson (Democrat) Howard Platt (Independent)
| | Utah | Reed Smoot | Republican | Re-elected, 61.5 - 37.6 | Ashby Snow (Democrat)
| | Vermont | Porter H. Dale | Republican | Re-elected, 73.4 - 26.5 | James E. Kennedy (Democrat)
| | Washington | Wesley L. Jones | Republican | Re-elected, 51.3 - 46.5 | A. Scott Bullitt (Democrat)
| | Wisconsin | Irving L. Lenroot | Republican | Retired: Republican victory, 55.0 - 20.3 - 12.2 - 5.7 | John J. Blaine (Republican) Charles D. Rosa (Independent) Thomas M. Kearney (Democrat) Leo Krzycki (Socialist)
| 1 special election held due to death of Samuel M. Ralston (D-IN) 2 special election held due to death of Bert M. Fernald (R-ME) 3 special election held due to death of Henry Cabot Lodge (R-MA) 4 Vare was never seated, due to charges of fraud and corruption in his campaign. His seat remained vacant until 1929.
See also - U.S. Senate election, 1924
- U.S. Senate election, 1928
- U.S. House election, 1926
Senate composition before and after elections | 69th Congress Senate Composition | | 70th Congress Senate Composition | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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