Gammell is a surname. Notable people with the surname include:
Bill Gammell (born 1952), Scottish sportsman and industrialist James Gammell (1892–1975), British Army officer R. H. Ives Gammell (1893–1981), American muralist, portrait painter, art teacher, and writer on art Ray Gammell, Irish businessman Robin Gammell (born 1936), Canadian film, television and stage actor Stephen Gammell (born 1943), American illustrator of children's books