Originally from Finland, Marja Gaynor is a Cork-based violinist and viola player. She specialises in Baroque music and plays with various Irish and European ensembles, including the Irish Baroque Orchestra and Camerata Kilkenny, but is also known as a versatile musician at home in many different styles, a fluent improviser, as well as arranger, curator and teacher.

She is a member of the Solas quartet.