| Abbreviation | Definition |
|---|---|
| CUE | Coalition of University Employees |
| CUES | Credit Union Executives Society |
| CUG | Credit Union Governance |
| CUI | Christian Unions Ireland |
| CULA | Credit Union Leasing of America |
| CULS | Connecticut Union List of Serials |
| CULS | Credit Union Lending Systems |
| CUOE | Canadian Union of Operating Engineers |
| CUP | China Union Pay |
| CUP | Committee of Union and Progress |
| CUPE | Canadian Union of Public Employees |
| CUPW | Canadian Union of Postal Workers |
| CURE | California Unions for Reliable Energy |
| CURE | Certified Union of Restoration Experts |
| CURF | Columbia Union Revolving Fund |
| CUS | Cambridge Union Society |
| CUS | Cambridge Union Society's |
| CUS | Chicago Union Station |
| CUS | Credit Union Solutions |
| CUSA | Council of Unions of South Africa |