WMWA
| Acronym | Definition |
|---|---|
| WMWA | Williamsport Municipal Water Authority (Williamsport, PA) |
| WMWA | World Miniature Warbird Association (model aircraft) |
| WMWA | Web Mining and Web-Based Application (Conference) |
| WMWA | West Michigan Wedding Association |
| WMWA | Williams Metals and Welding Alloys, Inc. (Wayne, PA) |