Diwa de Leon (born 1980) is a Filipino composer, arranger and musician based in Maryland, United States.

His father Felipe Mendoza de Leon Jr. is the former chairman of the National Commission for Culture and the Arts, a branch of the Philippine government, and his mother Anna Leah Sarabia is a Filipina writer and artist.

In 1996, he was strongly influenced by the music of Joey Ayala, and he began playing the traditional instrument the hegalong.

In 1997, along with some high school friends, he formed a band, the Makiling Ensemble, which released three albums from 2000 to 2005, and composed the music for the film Pandanggo (2006).

In 2014, he appeared in an interview with Mitzi Borromeo on News Cafe Episode 75, where he talked about his musical family background, upbringing, passion for the hegalong, his band Makiling Ensemble and being a content creator on Youtube as String Player Gamer.