Raymond John Fenwick (18 July 1946 – 30 April 2022) was an English guitarist and session musician, best known for his work in The Syndicats and in The Spencer Davis Group in the 1960s, and as the lead guitarist of Ian Gillan's post-Deep Purple solo project, the Ian Gillan Band.

He also co-wrote the theme music to the 1970s television series Magpie, which was credited to "The Murgatroyd Band", which was basically The Spencer Davis Group at the time.

Fenwick wrote all songs on the group's 1969 album Funky (briefly released in the US in 1970; full release only in 1997) and recorded his own album Keep America Beautiful, Get a Haircut in 1971 with a similar line-up, albeit minus Davis.

He was also in the group Fancy, who had the hits "Touch Me" and a cover of Chip Taylor's "Wild Thing".

He returned to sessions and then featured on former Rainbow vocalist Graham Bonnet's album Here Comes the Night (1991).