Hugo Fattoruso (born 29 June 1943) is an Uruguayan musician, composer, arranger and multi-instrumentalist. He is considered a significant figure in contemporary Latin American music, with a career encompassing rock, jazz, candombe, funk and fusion since the 1950s.
Fattoruso first became known as a member of Los Shakers, a 1960s Uruguayan rock band noted for its Beatle-influenced sound.