Frederick Warren Kelly (September 12, 1891 – May 7, 1974) was an American athlete, winner of 110 m hurdles at the 1912 Summer Olympics.

[1] Born in Beaumont, California, Fred Kelly attended Orange High School.

At Stockholm, Kelly won his preliminary heats easily and qualified to the final with four more Americans and one representative from Great Britain.

From the start, the five Americans ran even until the eighth hurdle, where Kelly and James Wendell spun ahead to decide the winner.

Kelly served in the United States Army in World War I and later became a pioneering aviator, carrying mail for Western Air Express and training Army pilots during World War II.