WTDA
| Acronym | Definition |
|---|---|
| WTDA | Warren Township Development Association (Indianapolis, IN) |
| WTDA | Welsh Talent Development Academy |
| WTDA | Waldorf Teacher Development Association (Detroit, MI) |
| WTDA | Washington Tourism Development Authority (Washington, NC) |
| WTDA | World Tree Dog Association (hunting dog competition group) |
| WTDA | Weather Tactical Decision Aid |