Sitiveni P. Kaufusi (born October 17, 1963 in Nukuʻalofa, Tonga) is a former American football defensive lineman in the National Football League for the Philadelphia Eagles from 1989-1990. He also played college football at Brigham Young University and attended junior college at Dixie State. Steve's son Bronson is a freshman defensive end for the BYU Cougars and also plays forward on the men's basketball team.