| Abbreviation | Definition |
|---|---|
| CMCU | City of Memphis Credit Union |
| COPOCO | COnsumers POwer COmpany Credit Union |
| CPUV | Cost-Per-Unit Value |
| CSCU | Card Services for Credit Unions |
| CSCU | Co-op Services Credit Union |
| CTR | Currency Transaction Report |
| CU | Credit Union |
| CUA | Credit Union Australia |
| CUASD | Credit Union Alliance of San Diego |
| CUBS | Credit Union Bank Shares |
| CUDL | Credit Union Direct Lending |
| CUFA | Credit Union Foundation Australia |
| CUIS | Credit Union Insurance Services |
| CULO | Credit Union Liaison Officer |
| CUMIS | Credit Union Member Insurance Services |
| CUNA | Credit Union National Association |
| CUNIS | Credit Union Mutual Insurance Society |
| CUSO | Credit Union Service Organization |
| CUSP | Credit Union Scholarship Program |
| CWCCU | Central Willamette Community Credit Union |