Luis Enríque Bacalov (30 August 1933 – 15 November 2017) was an Argentine-born film composer. He learned music from Enrique Barenboim, father of Daniel Barenboim, conductor of the Berlin and Chicago orchestras, and from Berta Sujovolsky. He ventured into music for the cinema, and composed scores for Spaghetti Western films. In the early 1970s he collaborated with Italian progressive rock bands. Bacalov was nominated twice for the Academy Award for Best Original Score, winning it in 1996 for Il Postino. Bacalov composed significant works for chorus and orchestra. Before his death, he was the artistic director of the Orchestra della Magna Grecia in Taranto, Italy.

Bacalov composed significant works for chorus and orchestra, including his Misa Tango (1997), a work setting a Spanish-language adaptation of the classic liturgical Mass to the tango rhythms of his native Argentina. Misa Tango was recorded by Deutsche Grammophon with Plácido Domingo (tenor), Ana María Martínez (mezzo-soprano) and Héctor Ulises Passarella (bandoneón).Bacalov composed Porteña for 2 pianos and orchestra (given a performance and live recording by Argentinian pianist Martha Argerich at the 2015 Lugano Festival).