Jack Mahan

John H. Mahan (July 22, 1898 September 2, 1955) was an American track and field athlete who competed in the 1920 Summer Olympics. He was born in Gainesville, Texas.

Mahan a fullback and kicker on the national champion 1919 Texas A&M Aggies football team under head coach Dana X. Bible.

In 1920, he finished twelfth in the javelin throw competition.