Cathy Lesurf (born 1953) is a British folk music singer-songwriter who was brought up in Stevenage, Hertfordshire. She has been a member of bands in the 1970s such as Oyster Ceilidh Band, Fiddler's Dram, and The Albion Band. She released a solo album, Surface, in 1985, the same year that she appeared as a guest vocalist on the Fairport Convention album Gladys' Leap.