Wilbur Clifford "Jack" Riley (January 4, 1903 – April 30, 1954) was an American football coach, athletic administrator, and teacher. Riley was born in Scott City, Kansas, in 1903. He attended Kansas State Teachers College of Hays located in Hays, Kansas, where he received varsity letters in both football and basketball. He also played varsity baseball at Hays. After graduating from college, Riley coached high school football in Oberlin, Kansas for five years from 1925 to 1929.