Derrick Norval Walker (born June 23, 1967) is a former American football player.
He played college football for the University of Michigan as a tight end and inside linebacker from 1986 to 1989.
He played professional football as a tight end in the National Football League (NFL) for nine seasons with the San Diego Chargers (1990-1993), the Kansas City Chiefs (1994-1997), and the Oakland Raiders (1998).