UCAS
| Acronym | Definition |
|---|---|
| UCAS | Universities and Colleges Admissions Service (UK) |
| UCAS | Unmanned Combat Aerial System (US DoD and Boeing) |
| UCAS | Unified Canadian Aboriginal Syllabics |
| UCAS | Utah County Academy of Sciences (Orem, UT) |
| UCAS | United Canadian American States (gaming, Shadowrun) |
| UCAS | Ufficio Complicazioni Affari Semplici |
| UCAS | USAREUR Community Automation System |
| UCAS | Universal Conditional Access System |
| UCAS | Unit Cost Analysis System |