Perfecto "Perf" de Castro (born August 15, 1974) is a Filipino musician currently based in Los Angeles, California[2] best known for having been a celebrated fixture in the Philippine alternative rock scene during the 1990s.

Hailed as one of the best guitarists in the Philippines by fans and critics alike, de Castro is also known for being adept at classical and flamenco music played on the ten-string guitar.

In 2004, de Castro relocated to Los Angeles, CA, where he continues to record, perform and teach the guitar through his website and social media.

[10] On January 9, 2016, de Castro reunited with his former Rivermaya co-members, Nathan Azarcon, Mark Escueta and Rico Blanco for a "surprise mini semi-reunion", following his gig at 19 East, Taguig.

[11] On September 7, 2018, de Castro performed in the launching of the Hollywood Wish Bus at Universal CityWalk with 90s OPM band Introvoys and Robin Nievera, the DJ for The Roadshow program of Wish 107.5.