| Acronym | Definition |
|---|
| UCL➣University College London |
| UCL➣Université Catholique de Louvain |
| UCL➣UEFA Champions League |
| UCL➣University of Central Lancashire |
| UCL➣Unfair Competition Law |
| UCL➣Ulnar Collateral Ligament |
| UCL➣Upper Control Limit |
| UCL➣Understeer Control Logic |
| UCL➣Ucl Compression Library |
| UCL➣United Counties League (soccer) |
| UCL➣Upper Confidence Limit |
| UCL➣Union Communiste Libertaire (French: Libertarian Communist Union) |
| UCL➣Union Centrista Liberal (Italian: Centrist Liberal Union) |
| UCL➣United Clinical Laboratories (medical laboratory; Dubuque, IA) |
| UCL➣University Computer Lab (various locations) |
| UCL➣Upper Confidence Level |
| UCL➣Uncomfortable Loudness Level |
| UCL➣Universal Cyber League (online gaming group) |
| UCL➣Unoccupied Crown Land (various locations) |
| UCL➣Universal Communications Language |
| UCL➣Unit Configured Load |
| UCL➣User Control List |
| UCL➣Unit Candidate List |
| UCL➣Univac Canada, Ltd. |
| UCL➣Urbancanopy Layer (meteorology) |
| UCL➣Umal Consolidated Limited |
| UCL➣Unión de Corresponsalía Local (Galician: Local Union Correspondent) |