UOC
- Cardiff University
- Coventry University
- Cranfield University
- Open University of Catalonia
- Ukrainian Orthodox Church (disambiguation)
- Union of Cossacks
- Unity of Command (video game)
- University of Calgary
- University of Cambridge
- University of Canterbury
- University of Chakwal
- University of Chester
- University of Chicago
- University of Chichester
- University of Cincinnati
- University of Cologne
- University of Colombo
- University of Crete
- University of Cumbria
- University of Curaçao
- University of Cyberjaya
- Waco UOC