| Birth Date: | August 27, 1909 |
| Birth Place: | Danvers, Massachusetts, United States |
| Death Date: | September 6, 1968 (aged 59) |
| Death Place: | Perry, Oklahoma, United States |
| Height: | 1.93m (06.33feet) |
| Weight: | 108kg (238lb) |
| Sport: | Athletics |
| Event: | Shot put |
| Club: | NYAC, New York |
| Pb: | 16.16 m (1932) |
| Alma Mater: | Georgetown University |
| Show-Medals: | yes |
Leo Joseph Sexton (August 27, 1909 - September 6, 1968) was an American shot putter who won a gold medal at the 1932 Summer Olympics. Sexton was the world record holder for nearly a month in 1932. Despite his large frame (1.93 m, 108 kg), he cleared 1.96 m in the high jump in 1929. After retiring from sports he worked in insurance, becoming vice-president of a company in Perry, Oklahoma.