| Abbreviation | Definition |
|---|---|
| UC | University of Colorado |
| UCA | University Center for the Arts |
| UCA | University City Associates |
| UCA | University for the Creative Arts |
| UCA | University of Central Arkansas |
| UCA | University of Central Asia |
| UCA | University of Central Asia (Khorog, Tajikistan) |
| UCAA | University Community Athletic Association |
| UCAA | Upstate Collegiate Athletic Association |
| UCAB | University Centers Advisory Board |
| UCAE | University Center Activities and Events |
| UCAE | University Center Activities Events |
| UCAE | University Center for Adult Education |
| UCAE | University Council for Art Education |
| UCAF | University Cheer Air Force |
| UCAF | University Committee on Academic Freedom |
| UCAF | University Committee on Academic Freedom (University of California) |
| UCAF | Upper Columbia Academy Foundation |
| UCAID | University Corporation for Advanced Internet Development |
| UCAID | Utah Center for Aeronautical Innovation & Design |