| Acronym | Definition |
|---|
| ATPO➣Association of Technical Personnel in Ophthalmology |
| ATPO➣Anti-Thyroid Peroxidase |
| ATPO➣About This Particular Outliner (blog) |
| ATPO➣Appalachian Trail Park Office (Harpers Ferry, WV; National Park Service) |
| ATPO➣Associate Technical Project Officer |
| ATPO➣Assistant Technical Project Officer |