| Abbreviation | Definition |
|---|---|
| WCNA | WGNA Certified Network Administrator |
| WCNE | WGNA Certified Network Engineer |
| WCO | Wildlife Control Operator |
| WCP | World Certified Professional |
| WCPM | Wisconsin Certified Public Manager |
| WCQC | Windows Quality Control Consultant |
| WCR | Web Copier Reviewer |
| WCSN | Work Comp Search Net |
| WCSP | World Certified Specialist Professional |
| WCX | Working Certificate Excellent |
| WDCA | Wildlife Damage Control Agent |
| WDDM | Waste Disposal Decision Maker |
| WDI | Walt Disney Imagineer |
| WDOL | Wage Determination On-Line |
| WECE | World Educational Credentials Evaluator |
| WEEO | Weapons Electrical Engineer Officer |
| WEL | Water Efficient Landscaper |
| WEM | Work Expectations Match |
| WEMR | Welding Equipment Maintenance and Repair |
| WEMR-EIT | Welding Equipment Maintenance and Repair - Engineer In Training |