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 (on Irish-language singing, 1985) and Ph.D. (on music in West Java, Indonesia, 1990) in ethnomusicology from the University of Washington (Seattle).
She has also taught on the Semester at Sea, in a faculty exchange program through the University of Hyōgo, and at several adult music camps.
Sean Williams is also a musician; she plays numerous Irish, Indonesian, and Brazilian instruments along with the classical guitar, fiddle, and banjo.