| WMPA | World Mahjong Players Association | 世界麻将玩家协会 |
| WMPA | Western Massachusetts Paralegal Association, Inc. | 西马萨诸塞州律师助理协会。 |
| WMPA | Washington Prospectors Mining Association | 华盛顿探矿者采矿协会 |
| WMPA | West Midlands Police Authority | 西米德兰兹警察局 |
| WMPA | Wyoming Municipal Power Agency | 怀俄明州市政电力局 |