| Acronym | Definition |
|---|
| AIOP➣Australian Institute of Office Professionals |
| AIOP➣Associazione Italiana Ospedalità Privata (Rome, Italy) |
| AIOP➣American Institute of Physics (College Park, MD; est. 1931) |
| AIOP➣Accademia Italiana Odontoiatria Protesica (Italian: Italian Academy of Prosthetic Dentistry) |
| AIOP➣All-in-One PC (Personal Computer) |