Croc or CROC may refer to:
- Croc (film), a movie
- Croc (game designer), a game author
- Croc (magazine), a Canadian French-language humour magazine (1979–1994)
- Crocs, a shoe maker
- Crocodile, a type of animal
- Croc: Legend of the Gobbos, a video game
- CROC Incorporated, an information technology company
- Killer Croc, a comic book character
- Cardiff Roller Collective, a Welsh sports league
- Convention on the Rights of the Child, a United Nations treaty
- Commandant Royal Observer Corps, a British military commander
- Confederación Revolucionaria de Obreros y Campesinos, a Mexican trade union
- A novel by David James