| Acronym | Definition |
|---|
| UMTA➣Urban Mass Transportation Administration (aka Urban Mass Transit Administration; US DOT) |
| UMTA➣Unified Metropolitan Transport Authority (India) |
| UMTA➣Utah Music Teachers Association |
| UMTA➣Union of Myanmar Travel Association (Yangon, Myanmar) |
| UMTA➣Upper Midwest Trials Association (motorcycles) |
| UMTA➣Universal Mobile Telephony Association |