| Acronym | Definition |
|---|
| POPA➣Pop All |
| POPA➣Panel On Public Affairs |
| POPA➣Patent Office Professional Association |
| POPA➣Pop All Registers |
| POPA➣Power Oscillator Power Amplifier (part of some laser systems) |
| POPA➣Pilatus Owners and Pilots Association (Tucson, AZ) |
| POPA➣Pend Oreille Players Association (Newport, WA) |