| Abbreviation | Definition |
|---|---|
| WFCU | Weatherhead Federal Credit Union |
| WFCU | Wegmans Federal Credit Union |
| WFCU | Western Federal Credit Union |
| WFCU | Westminster Federal Credit Union |
| WFCU | Westport Federal Credit Union |
| WFCU | Wichita Federal Credit Union |
| WFCU | Wiltruco Federal Credit Union |
| WFCU | Windthorst Federal Credit Union |
| WFCU | Winthrop Federal Credit Union |
| WFCU | Worldwide Foundation for Credit Unions |
| WFCU | Wyandotte Federal Credit Union |
| WHFCU | White House Federal Credit Union |
| WICU | Western Illinois Credit Union |
| WMCU | Wesley Medical Credit Union |
| WOCCU | World Council of Credit Unions |
| WOCU | World Organization of Credit Unions |
| WPCU | Water and Power Community Credit Union |
| WPCU | Wright- Patt Credit Union |
| WPEFCU | Washington Postal Employees Federal Credit Union |
| WRCU | Waterloo Regional Credit Union |