John E. "Cactus Jack" Sterrett (1901 – 1984) was an American football and basketball coach. He served as the head football coach at Bemidji State University from 1931 to 1934 and at the University of St. Thomas in St. Paul, Minnesota from 1935 to 1936, compiling a career college football coaching record of 16–26–4. Sterrett was also a head basketball coach at a number of different schools, including Bemidji State, Saint Louis University, and Wichita State University.