| Acronym | Definition |
|---|
| OOTA➣Out of the Arena (robot wars) |
| OOTA➣Out of Thin Air |
| OOTA➣Out of the Ashes |
| OOTA➣Workshop on Object-Oriented Technology and Applications (conference) |
| OOTA➣Oklahoma Occupational Therapy Association (Oklahoma City, OK) |
| OOTA➣Order of the Antelope (Oregon) |
| OOTA➣Ohio Occupational Therapy Association, Inc. (Canal Winchester, OH) |
| OOTA➣Order of the Arrow |
| OOTA➣One of Those Afternoons |
| OOTA➣Out of Toon Army (Newcastle Eagles; UK) |