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.

This article about a track and field Olympic medalist of the United States is a stub.