| Term | Full Form | Category |
|---|---|---|
| WTMA | AM-1250, Charleston, South Carolina | Others |
| WTMA | Warwick Township Municipal Authority | Others |
| WTMA | Washington Township Municipal Authority | Others |
| WTMA | Well Trained Mind Academy | Others |
| WTMA | West Texas Medical Associates | Others |
| WTMA | Wet Tropics Management Authority | Others |
| WTMA | White Tiger Martial Arts | Others |
| WTMA | Wiesen Test of Mechanical Aptitude | Others |
| WTMA | Wisconsin Truss Manufacturers Association | Others |