William Thomas "Bill" Simpson (born December 5, 1951 in Detroit, Michigan) is a former professional American football defensive back who played in the National Football League from 1974-1982. Before his NFL career, he played defensive back and punted for Michigan State University and was selected by the Los Angeles Rams in the 2nd round of the 1974 NFL Draft. He was a standout athlete at Royal Oak Shrine High School and was elected to the Archdiocese of Detroit Catholic High School League Hall of Fame in 2007.