Melvyn Desmond Collins (born 5 September 1947, Isle of Man) is a British saxophonist, flautist and session musician.
Collins is perhaps best known for his work in progressive rock, having been a member of King Crimson on two occasions (the first from 1970 to 1972 and the second from 2013 to the present day) and having played with Camel, the Alan Parsons Project and Chris Squire. He has also worked in a wide variety of contexts ranging from R&B and blues rock to jazz.