| Acronym | Definition |
|---|
| OATA➣Ornamental Aquatic Trade Association (UK) |
| OATA➣Ohio Athletic Trainers' Association |
| OATA➣Overall ATM/CNS Target Architecture (EUROCONTROL) |
| OATA➣Ontario Art Therapy Association (Canada) |
| OATA➣Oklahoma Athletic Trainers' Association (Stillwater, OK) |
| OATA➣Ohio Agricultural Technologies Association |