Albert Anderson "Jumbo" Jacks (born c. 1935) is a retired American professor and college football coach. He played as a quarterback at Penn State University from 1956 to 1958. Jacks spent 19 years as the head football coach at Clarion State College from 1963 to 1981. He very briefly held the same position at Williams College. Jacks is the winningest Clarion football coach by winning percentage. He was also an associate professor of health and physical education at Clarion from 1963 to 1996.