| Term | Full Form | Category |
|---|---|---|
| WACH | Walkway Auditor Certificate Holder | Others |
| WACH | Washington Alliance for Community Healthcare | Others |
| WACH | Weed Army Community Hospital | Others |
| WACH | West African Clearing House | Others |
| WACH | Western Athletic Conference Hockey | Others |
| WACH | Willamette Ale Cider House | Others |
| WACH | Winn Army Community Hospital | Others |
| WACH | Wisconsin Association of County Homes | Others |
| WACH | Women's Association of | Others |
| WACH | Women's Association of Colorado Hockey | Others |