| Acronym | Definition |
|---|
| APIG➣All Party Parliamentary Internet Group (politics; UK) |
| APIG➣Airline Pilot Investment Group (Florida) |
| APIG➣Antisymmetrized Product of Identical Geminals |
| APIG➣Australian Pulse Improvement Group |
| APIG➣Aberystwyth Post-International Group (Wales, UK) |