Keith Ian Ellis was an English bass player. He was born in Matlock, Derbyshire. He is known for his associations with The Koobas, The Misunderstood and Juicy Lucy. He was also a member of Van der Graaf Generator from 1968 to 1969. Ellis worked with Mike Patto and Ollie Halsall's band Boxer from 1975 until late 1976 when the original line-up split.