| Acronym | Definition |
|---|
| UCA➣University of Central Arkansas |
| UCA➣Universidad de Cádiz (Spain) |
| UCA➣Universidad Católica Argentina |
| UCA➣Universal Common Ancestry (evolutionary theory) |
| UCA➣Uniting Church in Australia |
| UCA➣Universal Cheerleaders Association |
| UCA➣University for the Creative Arts (UK) |
| UCA➣Unicode Collation Algorithm |
| UCA➣Upper Control Arm |
| UCA➣United Computer Accessories |
| UCA➣Under Color Addition |
| UCA➣Unicast Address |
| UCA➣United Computer Associates |
| UCA➣University of Central Asia |
| UCA➣Urban Conservation Area (various locations) |
| UCA➣University of Central America |
| UCA➣Undefinitized Contract Action |
| UCA➣Utility Communications Architecture |
| UCA➣Undercover Agent |
| UCA➣Utah Code Annotated |
| UCA➣Uniform Credit Analysis |
| UCA➣Union Collective Agreement |
| UCA➣Ultrasound Contrast Agent (imaging) |
| UCA➣Uniform Circular Array |
| UCA➣Undefinitized Contractual Action |
| UCA➣Unauthorized Computer Access (Japan) |
| UCA➣Uniform Chart of Accounts |
| UCA➣United Colonial Army (Killzone) |
| UCA➣Università degli Studi di Cagliari |
| UCA➣Utica, NY, USA - Oneida County (Airport Code) |
| UCA➣Unit Climate Assessment (USAF) |
| UCA➣Unsupported Credit Approval (UK) |
| UCA➣Unified Cryptologic Architecture (NSA) |
| UCA➣Undefinitized Contract Authorization |
| UCA➣Unternehmer Consult Ag (Munich, Germany) |
| UCA➣Use Case Analysis |
| UCA➣Union des Conservateurs d'Aquariums (French: Union of Aquarium Conservators) |
| UCA➣Unit Career Advisor |
| UCA➣Uganda Co-Operative Alliance Limited |
| UCA➣Ultraclean Air |
| UCA➣University Cheerleaders Association |
| UCA➣U-matic Cassette Application |
| UCA➣Uxbridge Conservation Association (Canada) |
| UCA➣User Computer Address |
| UCA➣Uniform Cost Accounting |
| UCA➣University Counselling Association |
| UCA➣Under Construction Always |
| UCA➣Unpriced Contract Action (USACE) |
| UCA➣Upper Close Auxiliary |
Uca - fiddler crabs