| Election Name: | 1923 United States Senate elections |
| Country: | United States |
| Flag Year: | 1923 |
| Type: | legislative |
| Ongoing: | no |
| Previous Election: | 1922 United States Senate elections |
| Previous Year: | 1922 |
| Next Election: | 1924 United States Senate elections |
| Next Year: | 1924 |
| Seats For Election: | 2 of the 96 seats in the United States Senate |
| Majority Seats: | 49 |
| Election Date: | July 16, 1923 – November 6, 1923 |
| 1Blank: | Seats up |
| 2Blank: | Races won |
| Party1: | Republican Party (US) |
| Image1: | Henry Cabot Lodge c1916.jpg |
| Leader Since1: | March 4, 1919 |
| Leader1: | Henry Cabot Lodge (unofficial) |
| Leaders Seat1: | Massachusetts |
| Seats Before1: | 53 |
| Seats After1: | 52 |
| Seat Change1: | 1 |
| 1Data1: | 2 |
| 2Data1: | 1 |
| Party2: | Democratic Party (US) |
| Leader2: | Oscar Underwood |
| Leader Since2: | April 27, 1920 |
| Leaders Seat2: | Alabama |
| Seats Before2: | 42 |
| Seats After2: | 42 |
| 1Data2: | 0 |
| 2Data2: | 0 |
| Party4: | Farmer–Labor Party |
| Seats Before4: | 1 |
| Seats After4: | 2 |
| Seat Change4: | 1 |
| 1Data4: | 0 |
| 2Data4: | 1 |
The United States Senate elections of 1923 were special elections that occurred in the near the end of Republican President Warren G. Harding's term. The Farmer-Labor party gained one seat from Republicans who kept the other seat and their majority.
At the beginning of the 68th Congress in March 1923.
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In these special elections, the winners were seated after March 4, 1923.
| State | Incumbent | Results | Candidates | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Senator | Party | Electoral history | |||||||
| Minnesota (Class 2) | Knute Nelson | Republican | 1895 1901 1907 1913 1918 | Incumbent died April 28, 1923. New senator elected July 16, 1923. Farmer–Labor gain. | nowrap | ||||
| Vermont (Class 3) | William P. Dillingham | Republican | 1900 1902 1908 1914 1920 | Incumbent died July 23, 1923. New senator elected November 6, 1923. Republican hold. | nowrap | ||||
| Election Name: | Minnesota special election |
| Country: | Minnesota |
| Flag Year: | 1893 |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1918 United States Senate election in Minnesota |
| Previous Year: | 1918 |
| Next Election: | 1924 United States Senate election in Minnesota |
| Next Year: | 1924 |
| Election Date: | July 16, 1923 |
| Image1: | MagnusJohnson.jpg |
| Nominee1: | Magnus Johnson |
| Party1: | Farmer–Labor Party |
| Popular Vote1: | 290,165 |
| Percentage1: | 57.48% |
| Party2: | Republican Party (US) |
| Popular Vote2: | 195,319 |
| Percentage2: | 38.69% |
| Map Size: | 260px |
| U.S. Senator | |
| Before Party: | Republican Party (US) |
| After Party: | Farmer–Labor Party |
See main article: 1923 United States Senate special election in Minnesota.
See also: List of United States senators from Minnesota.
| Election Name: | Vermont special election |
| Country: | Vermont |
| Type: | presidential |
| Ongoing: | no |
| Previous Election: | 1920 United States Senate election in Vermont |
| Previous Year: | 1920 |
| Next Election: | 1926 United States Senate election in Vermont |
| Next Year: | 1926 |
| Image1: | Porter H. Dale, Vermont LOC npcc.04307 (cropped).jpg |
| Nominee1: | Porter H. Dale |
| Party1: | Republican Party (US) |
| Popular Vote1: | 30,388 |
| Percentage1: | 65.7% |
| Party2: | Democratic Party (US) |
| Nominee2: | Park Pollard |
| Popular Vote2: | 15,580 |
| Percentage2: | 33.7% |
| Map Size: | 220px |
| U.S. Senator | |
| Before Party: | Republican Party (US) |
| After Party: | Republican Party (US) |
See main article: 1923 United States Senate special election in Vermont.
See also: List of United States senators from Vermont.