Robert Joseph “Rob” Coombes (born 27 April 1972) is an English musician and keyboard player for Supergrass. He is the older brother of the band's lead singer, Gaz Coombes, and the most recent member to join Supergrass, officially joining in 2002, though he had been an unofficial member for the majority of the band's career to that point. He has played keyboards on all of the band's albums and tours as well as helping with the writing and arranging.