Mario Carreño y Morales was a Cuban painter.
He studied painting at the Academia de San Alejandro, Havana, Cuba from 1925 until 1926. In 1934, he studied at the Real Academia de Bellas Artes de San Fernando, Madrid, Spain. In 1937 he was a student at the Ecole des Arts appliqués, Paris, France and that same year, at the Académie Julian, Paris, France. Among his teachers was Jaime Colson.