| Acronym | Definition |
|---|
| UWC | United World Colleges (international college network) |
| UWC | University of the Western Cape (RSA) |
| UWC | University Writing Center |
| UWC | University of Wisconsin Colleges |
| UWC | Ultimate Warrior Challenge (mixed martial arts cage fighting) |
| UWC | Universal Wireless Communications |
| UWC | Unanimous Written Consent |
| UWC | Ulster Workers Council |
| UWC | United World Chart (popular music ranking) |
| UWC | Universal Wireless Consortium |
| UWC | University of Wales, Cardiff (institution of higher education in Cardiff, Wales, UK) |
| UWC | University Writing Committee (various locations) |
| UWC | Urban Water Council |
| UWC | Urban Water Cycle |
| UWC | United Workers Congress |