CCAT may refer to:
- Cambridgeshire College of Arts and Technology
- Cambridgeshire College of Arts and Technology Boat Club, the rowing club of Anglia Ruskin University
- Campus Center for Appropriate Technology
- Cerro Chajnantor Atacama Telescope
- Canadian Cognitive Abilities Test
- CCAT (public school district), a public school district administering a charter school in Statesboro, Georgia, U.S.
- CCAT (Contained Cold Aisle Technology), To contain the cold aisle in a data centre. http://features.techworld.com/green-it/3540/ibms-green-demo-data-centre/