Marios Hadjiandreou (Greek: Μάριος Χατζηανδρέου; born September 19, 1962) is a Cypriot triple jumper who won gold medals in Commonwealth Games and Mediterranean Games.
In 1990, he became the first Cypriot to win a gold medal in the Commonwealth Games, beating the English world class athlete Jonathan Edwards who later became World Champion and Olympic champion.
He was the flag bearer for the Cyprus Olympic team on both occasions.
He was national champion 12 times and is the Cyprus Record holder with 17.13m since 1991.
He won 12 times in the European Cup (athletics) and three gold medals in the Games of the Small States of Europe in 1991, 1993, 1995.