UCC
- ASRock
- CamelCase
- Catholic University of Córdoba
- GS1 US
- UCC GAA
- UCC Ueshima Coffee Co.
- Uccel
- Uganda Communications Commission
- Ukrainian Canadian Congress
- Ukrainian Greek Catholic Church
- Ullswater Community College
- Umpqua Community College
- Undepreciated capital cost
- Unified Communications Certificate
- Unified combatant command
- Unified communications and collaboration
- Uniform Commercial Code
- Uniform civil code of India
- Union Carbide
- Union County College
- Union Customs Code
- Unique Country Code
- United Christian Church
- United Church of Canada
- United Church of Christ
- Universal Copyright Convention
- Universidad Central del Caribe
- University College Cardiff
- University College Cork
- University College Cork R.F.C.
- University College of the Cariboo
- University Cottage Club
- University of Caloocan City
- University of Cape Coast
- University of Chichester
- University of the Commonwealth Caribbean
- Upper Canada College
- Uppingham Community College
- Urban Construction College
- Urban Cookie Collective
- Urgent care
- Urothelial cell carcinoma
- Ursuline College (Chatham)
- User-created content
- Yucca Airstrip