Emilio Castillo (born September 24, 1950) is an American saxophone player and composer, best known as the founder of the band Tower of Power.

In 1965, Emilio Castillo took to music after he and his brother Jack were caught stealing by his father who told him he could stay in his room until he thought of something to 'Keep him off the street'.

[2] His first musical endeavor was in Extension Five which later became The Gotham City Crime Fighters due to the Batman craze at the time.

[5] Castillo and Stephen Kupka worked with Frankie B., producing both sides of the 1982 single "I'm A Midnight Mover" which was written by Bobby Womack and Wilson Pickett".

[7] Along with Stephen Kupka, Castillo co-composed the music for the song "Que Nivel De Mujer" which appears on the Aries album by Luis Miguel, released in 1993.