| Acronym | Definition |
|---|
| WMPA➣World Mountain People Association (Paris, France; est. 2001) |
| WMPA➣West Midlands Police Authority |
| WMPA➣Wyoming Municipal Power Agency (Lusk, WY) |
| WMPA➣Washington Metropolitan Philharmonic Association (Mount Vernon, VA) |
| WMPA➣World Mahjong Players Association (est. 2001; now World Mahjong Federation) |
| WMPA➣Western Mobilehome Parkowners Association |