Keith Christmas (born Keith Peter Christmas, 13 October 1946, Wivenhoe, near Colchester, Essex) is an English singer and songwriter. In 1969 his first album Stimulus was released. Christmas played acoustic guitar on David Bowie's Space Oddity album, and appeared at the first Glastonbury Festival in 1970.

Through the 1970s he released four more albums, Fable Of The Wings, Pigmy, Brighter Day and Stories From The Human Zoo, while touring with and supporting bands like The Who, King Crimson, Ten Years After, Frank Zappa, Roxy Music, Hawkwind, Captain Beefheart and The Kinks.