| Leo DeTray | |
| Birth Date: | 20 November 1888 |
| Birth Place: | near Newark, Ohio, U.S. |
| Death Place: | San Pierre, Indiana, U.S. |
| Player Sport1: | Football |
| Player Years2: | 1904–1907 |
| Player Team2: | Chicago |
| Player Positions: | Halfback |
| Coach Sport1: | Football |
| Coach Years2: | 1908 |
| Coach Team2: | Chicago (assistant) |
| Coach Years3: | 1909–1910 |
| Coach Team3: | Wittenberg |
| Coach Years4: | 1911 |
| Coach Team4: | Chicago (assistant) |
| Coach Years5: | 1912 |
| Coach Team5: | Ole Miss |
| Coach Years6: | 1915–1916 |
| Coach Team6: | Knox (IL) |
| Coach Sport7: | Basketball |
| Coach Years8: | 1915–1917 |
| Coach Team8: | Knox (IL) |
| Overall Record: | 10–7–2 (football) 10–10 (basketball) |
| Championships: | |
Leo Carter DeTray (November 20, 1888 – October 9, 1967) was an American football player and coach of football and basketball. He served as the head football the Wittenberg University in Springfield, Ohio in 1910, University of Mississippi (Ole Miss) in 1912 and at Knox College in Galesburg, Illinois from 1915 to 1916, compiling a career college football coaching record of 10–7–2. DeTray was also the head basketball coach at Knox from 1915 to 1917, tallying a mark of 10–10.
DeTray was a letterman at the University of Chicago competing as a halfback during his tenure with the Maroons between 1904 and 1907.[1]
DeTray coached Wittenberg during the 1909 season.[2] He began the 1910 season as the head football coach at Wittenberg, but was fired after losing his first two games and replaced by John B. Longwell.[3] He served as the head football coach at the Ole Miss in 1912, where he compiled a record of 5–3 during his lone season.[4]
DeTray later worked as a purchasing agent for an oil company based in Texas. He died on October 9, 1967, at the Little Company of Mary nursing home in San Pierre, Indiana.[5]