Maria Costa may refer to:
Maria Costa (poet) (1926–2016), Italian poet Maria Costa (actress), seen in Dangerous Minds Maria da Costa (1931–2002), Olympic freestyle swimmer from Brazil Maria da Paixão da Costa (born 1960), East Timorese politician Maria Della Costa (1926–2015), Brazilian actress and producer Maria Fernanda Costa (born 2002), Brazilian swimmer Maria Ludovica Costa, Italian rower Maria Velho da Costa (1938–2020), Portuguese writer Maria Costa (ski mountaineer) (born 2002), Spanish ski mountaineer