| Acronym | Definition |
|---|
| PTOA➣Post-Traumatic Osteoarthritis |
| PTOA➣Personal Trainer of America (certification) |
| PTOA➣Power Trade Operating Agreement |
| PTOA➣Public Television Outreach Alliance |
| PTOA➣Portland Triumph Owners Association (Oregon) |
| PTOA➣Pulse Time of Arrival (data acquisition) |