Oscar Bettison (born 19 September 1975) is a British-American composer known for large-scale chamber and large ensemble works.

as having "an unconventional lyricism and a menacing beauty"[1] and "pulsating with an irrepressible energy and vitality, as well as brilliant craftsmanship.

In 2000, he went to the Royal Conservatory of The Hague to study under Louis Andriessen and Martijn Padding, which he has described as a "formative experience."

He stayed in The Hague to complete another master's degree, and then went to Princeton University for his PhD, studying with Steven Mackey.

[5][self-published source] He has been the recipient of a number of awards, including a 2018 Fromm Commission, Chamber Music America Commissioning Award (2013), the Yvar Mikhashoff Commissioning Fund Prize (2009), a Jerwood Foundation Award (1998), the Royal Philharmonic Society Prize (1997), the first BBC Young Composer of the Year Prize (1993) as well as fellowships to both the Tanglewood and Aspen music festivals.