Dave Greenslade (born 18 January 1943) is an English keyboard player. He has played in his own eponymous band, Greenslade, and others including Colosseum, If and Chris Farlowe's Thunderbirds. Greenslade was born in Woking, Surrey, England. Among his works are, Cactus Choir, The Pentateuch of the Cosmogony (with art by Patrick Woodroffe) and Music from the Discworld.