WTMA
| Acronym | Definition |
|---|---|
| WTMA | Wet Tropics Management Authority (Australia) |
| WTMA | Wiesen Test of Mechanical Aptitude (APR Testing Services) |
| WTMA | West Texas Military Academy (now Texas Military Institute-The Episcopal School of Texas; San Antonio, TX) |
| WTMA | Washington Township Municipal Authority (utilities) |
| WTMA | Wigen, Tincknell, Meyer, & Associates |