WASSA
| Acronym | Definition |
|---|---|
| WASSA | Western Australian Statement of Student Achievement (Australia) |
| WASSA | Workshop on Architectural Support for Security and Anti-Virus |
| WASSA | Western Association of Summer Session Administrators |
| WASSA | Women Activities and Social Services Association (Herat, Afghanistan) |
| WASSA | Western Australian Sleddog Sports Association (Midland, Western Australia, Australia) |