| Acronym | Definition |
|---|
| CMUC | Couverture Maladie Universelle Complémentaire (French: Complementary Universal Health Insurance) |
| CMUC | Commentationes Mathematicae Universitatis Carolinae (Latin; quarterly mathematics journal; Charles University; Czech Republic) |
| CMUC | Centre for Mathematics University of Coimbra (Portugal) |
| CMUC | Consortium of Mongolian Universities and Colleges (est. 1995) |
| CMUC | Caledonian MacBrayne Users Committee (ferries; Scotland, UK) |
| CMUC | Center for Multicultural Understanding and Cooperation (Macedonia) |