| WACS | Waterford Assessments of Core Skills 
| Others |
| WACS | Wausau Area Catholic Schools
| Others |
| WACS | Web Accessible Control Systems
| Others |
| WACS | West Africa Cable System
| Others |
| WACS | West African Cable System
| Others |
| WACS | Westfield Academy and Central School
| Others |
| WACS | Westminster Abbey Choir School
| Others |
| WACS | Westside Atlanta Charter School
| Others |
| WACS | White Alice Communications System
| Others |
| WACS | Wide Area Control System
| Others |
| WACS | Winona Area Catholic Schools
| Others |
| WACS | Wireless Access Communications System
| Others |
| WACS | Wisconsin Association of Christian Schools
| Others |
| WACS | Women and Children Succeeding
| Others |
| WACS | Womens' Antioxidant and Cardiovascular Study
| Others |
| WACS | Work Authorization Control Systems
| Others |
| WACS | World Affairs Council of Seattle
| Others |
| WACS | World Association of Chefs Societies
| Others |
| WACS | World Association of Chefs' Societies
| Others |
| WACS | World Association of Cooks' Societies
| Others |