| Election Name: | 1939 United States gubernatorial elections |
| Country: | United States |
| Flag Year: | 1912 |
| Type: | legislative |
| Ongoing: | no |
| Previous Election: | 1938 United States gubernatorial elections |
| Previous Year: | 1938 |
| Next Election: | 1940 United States gubernatorial elections |
| Next Year: | 1940 |
| 1Blank: | Seats up |
| 2Blank: | Seats won |
| Seats For Election: | 3 governorships |
| Election Date: | November 7, 1939; April 16, 1940 (LA) |
| Party1: | Democratic Party (United States) |
| Seats Before1: | 30 |
| Seats After1: | 30 |
| 1Data1: | 3 |
| 2Data1: | 3 |
| Party2: | Republican Party (United States) |
| Seats Before2: | 18 |
| Seats After2: | 18 |
| 1Data2: | 0 |
| 2Data2: | 0 |
| Map Size: | 324px |
United States gubernatorial elections were held in 1939, in three states. Kentucky, Louisiana and Mississippi hold their gubernatorial elections in odd numbered years, every 4 years, preceding the United States presidential election year.
| State | Incumbent | Party | Status | Opposing candidates | |
|---|---|---|---|---|---|
| Kentucky | Keen Johnson | Democratic | Re-elected, 56.51% | King Swope (Republican) 43.49% [1] | |
| Louisiana (Held, 16 April 1940) | Democratic | Defeated in Democratic primary, Democratic victory | Sam H. Jones (Democratic) 99.40% W. W. Tuttle (Republican) 0.60% [2] (Democratic primary run-off results) Sam H. Jones 51.73% Earl Long 48.27% [3] | ||
| Mississippi | Democratic | Term-limited, Democratic victory | Paul B. Johnson Sr. (Democratic) 100.00% [4] (Democratic primary run-off results) Paul B. Johnson Sr. 54.66% Martin Sennet Conner 45.34% [5] |