Robert F. Waldrop (born December 1, 1971) is a former American college and professional gridiron football player who was a defensive tackle in the National Football League (NFL) and Canadian Football League (CFL). He played college football for the University of Arizona Wildcats, where he was a two-time consensus All-American. He played professionally for the NFL's Kansas City Chiefs, and the Memphis Mad Dogs and Toronto Argonauts of the CFL. He is a member of the College Football Hall of Fame.