| Acronym | Definition |
|---|
| WASPA➣Wireless Application Service Providers Association (South Africa) |
| WASPA➣Wastewater Agriculture and Sanitation for Poverty Alleviation (International Water and Sanitation Centre; The Hague, Netherlands) |
| WASPA➣Wakayama Automobile Service Promotion Association (Japan) |
| WASPA➣Wisconsin Association of School Personnel Administrators (Franklin, WI) |
| WASPA➣West Australian Solid Plastering Association (est. 1996) |