John Alderete
- Born
- 15 September 1963 (62 years)
- Place of birth
- Los Angeles, California, U.S
- Gender
- Male
Juan Alderete de la Peña (born September 5, 1963) is an American musician. He is best known as the longtime bassist of Racer X and for his tenures in the Mars Volta and Marilyn Manson.
