| WMPA | Wael Al Masri Planners and Architects 
| Others |
| WMPA | Washington Metropolitan Philharmonic Association
| Others |
| WMPA | Washington Prospectors Mining Association
| Others |
| WMPA | Water Management Planning Area
| Others |
| WMPA | Watershed Management Protection Authority
| Others |
| WMPA | Weighted Mean Plateau Age
| Others |
| WMPA | West Maui Preservation Association
| Others |
| WMPA | West Midlands Physicians Association
| Others |
| WMPA | Western Massachusetts Paralegal Association
| Others |
| WMPA | Western Massachusetts Paralegal Association, Inc.
| Others |
| WMPA | Western Michigan Pigeon Association
| Others |
| WMPA | Western Modelers Protective Association
| Others |
| WMPA | Where My Pitches At
| Others |
| WMPA | World Mahjong Players Association
| Others |
| WMPA | World Mountain People Association
| Others |
| WMPA | Wyoming Municipal Power Agency
| Others |