| UCAA | Corporate Amendments Application 
| Others |
| UCAA | Uganda Change Agents Association
| Others |
| UCAA | Undergraduate Chinese American Association
| Others |
| UCAA | Uniform Certificate of Authority Application
| Others |
| UCAA | Union of Certified Auto Appraisers
| Others |
| UCAA | Universities and Colleges Athletic Association
| Others |
| UCAA | University College Alumni Association
| Others |
| UCAA | University Community Athletic Association
| Others |
| UCAA | Upper Cumberland Arts Alliance
| Others |
| UCAA | Upstate Collegiate Athletic Association
| Others |
| UCAA | Utah Catholic Athletic Association
| Others |