| Election Name: | 1956 Democratic Senate primary election in Alabama |
| Country: | Alabama |
| Flag Year: | 1912 |
| Type: | Presidential |
| Ongoing: | no |
| Previous Election: | 1950 United States Senate election in Alabama |
| Previous Year: | 1950 |
| Next Election: | 1962 United States Senate election in Alabama |
| Next Year: | 1962 |
| Election Date: | May 1, 1956 |
| Nominee1: | J. Lister Hill |
| Party1: | Democratic Party (United States) |
| Popular Vote1: | 247,519 |
| Percentage1: | 68.19% |
| Nominee2: | John G. Crommelin |
| Party2: | Democratic Party (United States) |
| Popular Vote2: | 115,440 |
| Percentage2: | 31.81% |
| Map Size: | 250px |
| U.S. Senator | |
| Before Election: | J. Lister Hill |
| Before Party: | Democratic Party (United States) |
| After Election: | J. Lister Hill |
| After Party: | Democratic Party (United States) |
The 1956 United States Senate election in Alabama was held on November 6, 1956. Incumbent Senator J. Lister Hill was re-elected for a fourth term in office.
On May 1, Hill won the Democratic primary over John G. Crommelin, who ran in 1950 as an independent, with 68.20% of the vote.
Hill won the November general election without an opponent.