| UCCA | Ukrainian Congress Committee of America 
| Others |
| UCCA | Ullens Center for Contemporary Art
| Others |
| UCCA | Unified Child Care Agencies
| Others |
| UCCA | Uniform Child Custody Act
| Others |
| UCCA | Uniform City Court Act
| Others |
| UCCA | United Community Concerns Association
| Others |
| UCCA | United Cultures of Canada Association
| Others |
| UCCA | Universal Conceptual Cognitive Annotation
| Others |
| UCCA | Universities Central Council for Admissions
| Others |
| UCCA | Universities Central Council on Admissions
| Others |
| UCCA | University City Community Association
| Others |
| UCCA | University College for the Creative Arts
| Others |
| UCCA | University Cultural Center Association
| Others |