Mariá Álvarez Rios (June 5, 1919 – December 6, 2010) was a Cuban composer, pianist and educator.
She was born in Tuinicú and studied music from a young age.
She continued her studies at the University of Havana and the University of Michigan where she earned a doctorate in music.
She wrote music to poems by Nicolás Guillén, José Martí, Félix Pita Rodríguez and Gabriela Mistral, and also wrote music for the stage; she was known for her contributions to children's music.