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Look up carcer in Wiktionary, the free dictionary.
Carcer may refer to:
- Carcer (geomancy), a geomancy figure
- Carcer City, a fictional city in Manhunt, Manhunt 2, and Grand Theft Auto
- Carcer Dun, a villain in the Discworld series
- Càrcer, a municipality in the province of Valencia, Spain
- Tullianum, an ancient Roman prison