| Acronym | Definition |
|---|
| APAO➣Asia Pacific Academy of Ophthalmology |
| APAO➣Assistant Public Affairs Officer (various locations) |
| APAO➣Asphalt Pavement Association of Oregon (Salem, OR) |
| APAO➣amorphous polyalphaolefin |
| APAO➣Aggregate Producers' Association of Ontario (Canada) |
| APAO➣Association of Physician Assistants in Oncology |
| APAO➣Amorphous Poly-Alpha-Olefins |
| APAO➣Asian Pacific Astronomy Olympiad |
| APAO➣Acute Peripheral Arterial Occlusion (artery blockage) |
| APAO➣Archaeology and Physical Anthropology in Oceania |
| APAO➣Atactic Poly Alpha Olefins |
| APAO➣Alternative Policy Advisory Organizations |
| APAO➣Ames Public Affairs Office (NASA) |
| APAO➣Association of Performance Art Organizers |
| APAO➣Amino Phenyl Arsine Oxide |