John Louis Gonzaga (March 6, 1933 – May 17, 2007) was an American football offensive lineman in the National Football League. He played for the San Francisco 49ers, Dallas Cowboys, and the Detroit Lions. Gonzaga also played in the American Football League for the Denver Broncos. He was selected by the Dallas Cowboys in the 1960 NFL Expansion Draft. He is one of the few players in the NFL who did not play college football.