Alberto Evaristo Ginastera (Catalan pronunciation: [alˈβeɾto eβaˈɾisto dʒinaˈsteɾa]; April 11, 1916 – June 25, 1983) was an Argentine composer of classical music.

After a visit to the United States in 1945–47, where he studied with Aaron Copland at Tanglewood, he returned to Buenos Aires.

Among his notable students were Ástor Piazzolla (who studied with him in 1941), Alcides Lanza, Jorge Antunes, Waldo de los Ríos, Jacqueline Nova, Blás Atehortua, Rafael Aponte-Ledée.

[3] His Cantata para América Mágica (1960), for dramatic soprano and 53 percussion instruments, was based on ancient pre-Columbian legends.

Its U.S. West Coast premiere was performed by the Los Angeles Percussion Ensemble under Henri Temianka and William Kraft at UCLA in 1963.