Richard Francis Cash (born July 1, 1945 in St. Louis, Missouri) is a former American football defensive lineman in the National Football League. He was a 10th round selection (260th overall pick) in the 1968 NFL Draft out of Northeast Missouri State University by the Green Bay Packers. Cash would play for the Atlanta Falcons (1968), the Los Angeles Rams (1969–1970), and the New England Patriots (1972–1973).