Roger Walker (born 22 December 1944 in Bristol, Gloucestershire) is an English actor.
He moved to Derby at an early age and was a hugely popular drama teacher at Tupton Hall School in Derbyshire in the early 1970s, his first television appearance was as a replacement for Matthew Corbett as a singer on the popular children's television show Rainbow in 1977. He appeared on the show for two years, before being replaced by Freddy Marks in 1980.