| Abbreviation | Definition |
|---|---|
| RFCU | Ralphs Federal Credit Union |
| RFCU | Rancho Federal Credit Union |
| RFCU | Ravenswood Federal Credit Union |
| RFCU | Redstone Federal Credit Union |
| RFCU | Regional Federal Credit Union |
| RFCU | Research Federal Credit Union |
| RFCU | Richland Federal Credit Union |
| RFCU | Richmond Federal Credit Union |
| RFCU | Rigelwood Federal Credit Union |
| RFCU | Riverfront Federal Credit Union |
| RFCU | Rivergate Federal Credit Union |
| RFCU | Riverside Federal Credit Union |
| RFCU | Robins Federal Credit Union |
| RFCU | Rockdale Federal Credit Union |
| RFCU | Rockland Federal Credit Union |
| RFCU | Rogue Federal Credit Union |
| RFCU | Rutgers Federal Credit Union |
| RIFCU | Railroad & Industrial Federal Credit Union |
| RPEFCU | Roanoke Postal Employees Federal Credit Union |
| RRCCU | Rogue River Community Credit Union |