Gerald "Jezz" Woodroffe (born 1951, Birmingham, England) is an English keyboardist and songwriter.
He was a member of Belle Stars, Purusha, Sally Hope, Geezer Butler Band.
He played on the Sabotage and Technical Ecstasy albums by Black Sabbath and performed live with the band, offstage.
Woodroffe also performed and recorded with Robert Plant and Phil Collins.
In the early 1990s, Jezz composed the music to two games by Horror Soft; Elvira II: The Jaws of Cerberus with Philip Nixon, and also composed the music to Waxworks. He may possibly be related to Horror Soft game developers Mike and Simon Woodroffe.