Thomas Chapin (born March 9, 1957, d. February 13, 1998) was an American composer and saxophonist/multi-instrumentalist. Though primarily an alto saxophonist, he also played sopranino saxophone and various flutes.
Most of his recordings as a leader featured his trio with drummer Michael Sarin and bassist Mario Pavone, occasionally joined by guests.
Chapin studied with Jackie McLean and Paul Jeffrey. He played with Lionel Hampton.
Chapin died of leukemia three weeks before his 41st birthday. He last played two weeks before his death, at a benefit concert.