Sean Williams (born 1959, Berkeley, California) is an ethnomusicologist who teaches at The Evergreen State College in Olympia, Washington. Her primary areas of teaching include music, Irish studies, and Asian studies; she leads the Sundanese music ensembles Gamelan Degung Girijaya (Enduring Mountain Gamelan) and Angklung Buncis Sukahejo. She received a BA in classical guitar performance from UC Berkeley in 1981, and an MA (1985) and Ph.D. (1990) in ethnomusicology from the University of Washington (Seattle).