William Ortiz-Alvarado (also William Ortiz Alvarado or William Ortiz; b. 1947 in Salinas, Puerto Rico) is an American composer of contemporary classical music, musician, and educator. He was raised in New York.
Ortiz-Alvarado has an extensive catalog of works for orchestra and chamber ensemble.
- Latin American Classical Composers. A biographical dictionary. Second edition. Edited by Miguel Ficher, Martha Furman Schleifer, and John M. Furman. Lanham, MD: Scarecrow Press, 2002.