Gustavo A. Santaolalla (b. 1952, El Palomar, Buenos Aires province) is an Argentine musician, producer and composer whose musical style frequently combines elements of rock, soul, African rhythms and Latin American folk. He is now one of the most sought after producers in the Latin American scene.

Santaolalla transferred his musical efforts to film soundtracks in the late 1990s, producing albums for the films Amores Perros, 21 Grams and The Motorcycle Diaries.