Robert Dickey "Jack" Sisco (November 2, 1904 – December 18, 1983)[1][2] was an American football player, coach, and official.

With a record of 74–37–10, Sisco is the second winningest coach in school history, behind Odus Mitchell.

[4] After his coaching career, he became a college football referee best remembered for a controversial call in the 1947 Red River Shootout between the Texas Longhorns and Oklahoma Sooners.

[8] His great-granddaughter, Emilee Sisco, played volleyball at the University of Colorado.

This biographical article relating to a college football coach first appointed in the 1920s is a stub.