Mario Joseph DeMarco, (July 24, 1924 in Boonton, New Jersey – December 9, 1956 on Mount Slesse, British Columbia, Canada) was an American college football, National Football League, and professional Canadian football player, and was one of 62 people that died on Trans-Canada Air Lines Flight 810, on December 9, 1956. Raised in Boonton, DeMarco started at offensive lineman for four seasons at Boonton High School.