| Abbreviation | Definition |
|---|---|
| NWFCU | NorthWest Federal Credit Union |
| NYCUW | National Youth Credit Union Week |
| OAS | Option Adjusted Spread |
| OCCU | Office of Corporate Credit Unions |
| OCCU | Olin Community Credit Union |
| OCU | Ohio Credit Union League |
| OCUL | Ohio Credit Union League |
| ODP | Over-Draft Protection |
| OECU | Oklahoma Employees Credit Union |
| OFCCU | Oregon First Community Credit Union |
| OFCU | Oregonian Federal Credit Union |
| OFCU | Orlando Federal Credit Union |
| OFCU | Otero Federal Credit Union |
| OFCU | Otis Federal Credit Union |
| OFCU | Owensboro Federal Credit Union |
| OFCU | Oxford Federal Credit Union |
| OTTI | Other Than Temporary Impairment |
| OUCU | Oklahoma University Credit Union |
| PACU | Piedmont Advantage Credit Union |
| PAFCU | Petroleum Associates Federal Credit Union |