Glen Carlton Gray (December 27, 1888 – June 7, 1921) was an American football and basketball player and coach. He served as the head football coach at Oberlin College from 1911 to 1912 and at Washburn University from 1913 to 1915, compiling a career college football coaching record of 23–13–4. Gray was also the head basketball coach at Oberlin in 1910–11 and 1912–13, tallying a mark of 17–7. Gray also starred on the track team, where he was a long jumper. He graduated in 1911. He was inducted in the Oberlin College Sports Hall of Fame in 1986.