Norval Eugene Turner (born May 17, 1952 at Camp Lejeune, North Carolina) is the head coach for the National Football League's San Diego Chargers. He also has served as head coach of the Washington Redskins and the Oakland Raiders, and as offensive coordinator for the Dallas Cowboys, San Diego Chargers, Miami Dolphins, and San Francisco 49ers. He is the brother of former University of Illinois head football coach and current Chicago Bears offensive coordinator Ron Turner.

Turner was a student at Alhambra High School in Martinez, California. In football, he played quarterback and safety. He graduated from Alhambra in 1970 and then attended the University of Oregon, where he started at quarterback.

After serving as a graduate assistant coach at Oregon, Turner was an assistant coach for the USC Trojans from 1976 to 1984. From 1985 to 1990, he was an assistant with the Los Angeles Rams. In the January 2008 issue of San Diego Magazine he was chosen as one of the "50 People to Watch in 2008."