Hammy may refer to:
- Hammy, a hyperactive squirrel character in the comic strip and film Over the Hedge.
- H. Hamilton "Hammy" Bissell, a faculty member of Phillips Exeter Academy and uncle of John Irving.
- Hammy Love, an Australian cricketer.
- Slang for Hamstring
- Overacting, of acting
A Fulham Fan in the home End "A Hammy"