Gian Marco Schivo (born 6 May 1949) is an Italian retired high jumper who competed at the 1972 Summer Olympics.
He won the gold medal at the 1971 Mediterranean Games and finished seventeenth at the 1972 Olympic Games. His personal best jump is 2.17 metres, achieved in May 1972 in Rome.
His daughter Arianna Schivo competed at the 2016 Summer Olympics in equestrian.