Frank Leon "Doc" Kelker (December 9, 1913 – May 23, 2003) was an All-American college football end, college basketball player, and track star for Western Reserve, now known as Case Western Reserve University, from 1935 to 1937. Spanning high school and college, he played in 54 consecutive football games without a loss. As an African American, his athletic career ended after college as no professional sports had yet broken the color barrier.