| UCU | Ucore Uranium Inc (stock symbol) | Ucore Uranium Inc（股票代码） |
| UCU | Uracil-Cytosin-Uracil (genetics) | 尿嘧啶细胞质尿嘧啶（遗传学） |
| UCU | UniÓn Cultural Universitaria (University Cultural Union, Guatemala) | UniÓn Cultural Universitaria (University Cultural Union, Guatemala) |
| UCU | University College Utrecht (The Netherlands) | 乌得勒支大学学院（荷兰） |
| UCU | Urinary Care Unit | 泌尿护理室 |
| UCU | Ultra Computer Unit | 超级计算机单元 |
| UCU | University Credit Union | 大学信用合作社 |
| UCU | Ukrainian Catholic University (Lviv, Ukraine) | 乌克兰天主教大学（乌克兰利沃夫） |
| UCU | United Credit Union | 联合信贷联盟 |
| UCU | University and College Union (UK) | 大学和学院联盟（英国） |