Gammage can refer to:
Johnny Gammage (died 1995), American motorist who died in police custody Grady Gammage (1892–1959), American university president Robert Gammage (born 1938), American politician The Gammage Cup, Newbery Honor-winning children's book Gammage Auditorium, building on the campus of Arizona State University named for Grady Gammage
See also Gamage, a surname