Sylvia Tyson, is a Canadian musician, performer, singer-songwriter and broadcaster. She is best known as part of the folk duo Ian & Sylvia, with Ian Tyson. Since 1993, she has been a member of the all-female folk group Quartette.

Ian & Sylvia were a Canadian folk and country music duo which consisted of Ian and Sylvia Tyson. They began performing together in 1959, married in 1964, and divorced and stopped performing together in 1975.