Charles Joseph Weis (born March 30, 1956) is a former American football coach who most recently was the head coach for the Kansas Jayhawks. For five years, from 2005 through 2009, Weis was the head football coach for the Notre Dame Fighting Irish. He has also served as an offensive coordinator in the National Football League, for the New York Jets, New England Patriots, and Kansas City Chiefs.
After graduating from Notre Dame in 1978, Weis began his coaching career at Boonton High School in New Jersey. He spent the next five seasons at perennial powerhouse Morristown High School in New Jersey as a football assistant. In 1985, he was hired by head coach Joe Morrison at the University of South Carolina, where he received his master's degree in education while working as a graduate assistant position coach and assistant recruiting coordinator. He served four seasons on the Gamecock staff until Morrison died in 1989. He then returned to New Jersey as the head coach at Franklin High School and directed Franklin Township to the New Jersey state championship while also assisting in the New York Giants' pro personnel department.