| WHDC | Wesley Housing Development Corporation
| Others |
| WHDC | West Harlem Development Corporation
| Others |
| WHDC | Westminster Historic District Commission
| Others |
| WHDC | Westney Heights Diagnostic Centre
| Others |
| WHDC | White House Decision Center
| Others |
| WHDC | Windows Hardware and Driver Central
| Others |
| WHDC | Windows Hardware Developer Central
| Others |
| WHDC | Wire Haired Dachshund Club
| Others |
| WHDC | Wonderland Hill Development Company
| Others |
| WHDC | World Harmonized Driving Cycle
| Others |
| WHDC | World Harmonized Duty Cycle
| Others |
| WHDC | World Human Development Center
| Others |
| WHDC | World Wide Heavy Duty Certification
| Others |