Hammerfest may refer to:
Places Hammerfest Municipality, a municipality in Finnmark county, Norway Hammerfest (town), the main town in Hammerfest Municipality in Finnmark county, Norway Hammerfest Airport, the town's aerodrome Hammerfest Church, the town's main place of worship Hammerfest prosti, an ecclesiastical region of the Church of Norway Kapp Hammerfest, a headland on Svenskøya island in Svalbard, Norway
Other Hammerfest District Court, a former district court with jurisdiction in northern Norway Hammerfest (festival), an annual music festival in north Wales, UK Hammerfest FK, an association football team based in the Norwegian town The Caverns of Hammerfest, a browser-based video game by Motion-Twin Hammerfest L1, a fictional space outpost in A Deepness in the Sky by Vernor Vinge