- hammerA tool with a heavy head and a handle used for pounding.
- HamerA surname.
- HammertonThe villages of Green Hammerton and Kirk Hammerton in North Yorkshire, England.
- HamertonA village in Huntingdonshire district, Cambridgeshire, England (OS grid ref TL145794).
- hammer pondThe millpond of an iron forge, especially in the Weald.