UC
- Centrist Union group
- Culver UC
- Danish UC submarines (disambiguation)
- Folding boxboard
- German Type UC submarine (disambiguation)
- German submarine U-C
- Harvard Undergraduate Council
- History of British film certificates
- I-beam
- Landing gear
- List of university colleges
- Microcontroller
- Photon upconversion
- Pontifical Catholic University of Chile
- U of C (disambiguation)
- UC (noise reduction)
- UC Browser
- UC Mobile
- Ulcerative colitis
- Ultrasonic consolidation
- Umbilical cord
- Unassisted childbirth
- Undercover
- Unification Church
- Unified Cornish
- Unified communications
- Uniform polyhedron compound
- Union councils of Pakistan
- Unit cost
- United Center
- Universal Century
- Universal Credit
- Universal composability
- University Challenge
- University Challenge (New Zealand)
- University City, San Diego
- University college
- University of Calgary
- University of California
- University of Canberra
- University of Cantabria
- University of Canterbury
- University of Cebu
- University of Charleston
- University of Chicago
- University of Cincinnati
- University of Coimbra
- University of the Cordilleras
- Upper case
- Upsala College
- Uranium carbide
- Urban Council
- Utica College
- Uva College, Badulla
- Uxbridge College