Colin may refer to:
Colin (given name)
Colin (surname)
Colin (film), a 2008 Cannes film festival zombie movie
Colin (horse) (1905–1932), Thoroughbred racehorse
Colin (humpback whale), a humpback whale calf abandoned north of Sydney, Australia, in August 2008
Colin (river), a river in France
Colin (security robot), in Mostly Harmless of The Hitchhiker's Guide to the Galaxy series by Douglas Adams
Tropical Storm Colin (disambiguation)
Collin, a District Electoral Area in Belfast, Northern Ireland which is sometimes spelt "Colin"
