OTMA
| Acronym | Definition |
|---|---|
| OTMA | Oakland Transportation Management Association (Pittsburgh, PA) |
| OTMA | Open Transaction Manager Access |
| OTMA | On the Move Accessibility (backpacking; Original Mountain Marathon) |
| OTMA | Olga, Tatiana, Marie, Anastasia (Romanov grand duchesses) |
| OTMA | One Tree Martial Arts (Eau Claire, WI) |
| OTMA | Office Technology Management Association |