| Abbreviation | Definition |
|---|---|
| WCCU | Westerly Community Credit Union |
| WCCU | Western Cape Canoe Union |
| WCCU | Wexford Community Credit Union |
| WCCU | Winkler County Credit Union |
| WCCU | Winnebago Community Credit Union |
| WCCU | Workmen's Circle Credit Union |
| WCCU | World Council of Credit Unions |
| WCFCU | Windward Community Federal Credit Union |
| WCU | Washington's Credit Union |
| WCU | Wescom Credit Union |
| WCU | Workers' Credit Union |
| WCUL | Washington Credit Union League |
| WCUL | Wisconsin Credit Union League |
| WDCCU | Waynesboro Dupont Employee Community Credit Union |
| WDCU | Western Division Credit Union |
| WECU | Whatcom Educational Credit Union |
| WFCU | Wakota Federal Credit Union |
| WFCU | Wanigas Federal Credit Union |
| WFCU | Waterfront Federal Credit Union |
| WFCU | Wauna Federal Credit Union |