Jane Relf (born 7 March 1947) is a British singer, best known as the original vocalist for the progressive rock band Renaissance.
In January 1969 Keith Relf and Jim McCarty of the Yardbirds formed Renaissance with pianist John Hawken and bassist Louis Cennamo.
After Keith Relf, McCarty, and Cennamo left during the recording of the band's second album Illusion in 1970, Jane and John Hawken briefly continued Renaissance with a new lineup including Terry Crowe, Michael Dunford, Neil Korner, and Terry Slade.
Jane also introduced lyricist Betty Thatcher to the band, who would continue to write songs for Renaissance until 1981.
Following Keith's accidental death by electrocution, Jane and the other surviving original members of Renaissance proceeded with the project and formed Illusion, with new members John Knightsbridge and Eddie McNeil, and Jane and McCarty as lead vocalists.