Susan Mary Tomes (born 26 May 1954) is a Scottish pianist, writer and educator. A specialist in chamber music, she has been the pianist of Domus (1979–1995), the (1995–2012), and the Gaudier Ensemble (since 1993), and has performed in many duos and other chamber music combinations. She also plays solo recitals, concertos, gives lecture-recitals, teaches, gives masterclasses at music colleges, and sits on international competition juries. She has made more than fifty CDs, and has published several books.