Ralph Martin Huff (born December 19, 1948) is a former American football linebacker. He played for the University of Michigan from 1968 to 1970. As a senior, he was selected as a first-team All-American by the American Football Coaches Association. After graduating from Michigan, Huff played professional football for the San Francisco 49ers (1972), Edmonton Eskimos (1973), and Charlotte Hornets (1974–1975).