CUC
- CUC Broadcasting
- CUC International
- CUC Software
- Camilo Daza International Airport
- Canadian Ultimate Championships
- Canadian Unitarian Council
- Canadian Unity Council
- Canadian University College
- Caribbean Utilities
- Catholic University College, Kensington
- Claremont University Consortium
- Combined Universities in Cornwall
- Committee for Peasant Unity
- Communication University of China
- Concordia University Chicago
- Cuban convertible peso
- University City of Caracas
- Washington Adventist University