Maria Ntanou (Greek: Μαρία Ντάνου; born 3 March 1990) is a Greek cross-country skier, Olympian who has competed since 2007. She was an Athlete Role Model of 2020 Winter Youth Olympics. Ntanou has represented her country, Greece, in three Winter Olympic Games, and she was the flag bearer at the Opening Ceremony of the Beijing 2022 Winter Olympic Games.