| Abbreviation | Definition |
|---|---|
| AOPC | Annual Order Processing Cost |
| AOPC | Atmospheric Observations Panel For Climate |
| AOPD | Active Optoelectronic Protective Devices |
| AOPD | American Office Product Dealers |
| AOPDF | Acousto Optic Programmable Dispersive Filter |
| AOPDF | Optic Programmable Dispersive Filter |
| AOPE | Association of Professional Evaluators |
| AOPE | Award of Personal Effectiveness |
| AOPI | Alpha Omicron Pi |
| AOPI | Angola Open Policy Initiative |
| AOPL | Auckland Office Products Ltd |
| AOPN | Activity Oriented Petri Nets |
| AOPP | Android Open Pwn Project |
| AOPR | All Occasion Party Rentals |
| AOPR | All Occasions Party Rentals |
| AOPR | Arts of Point Richmond |
| AOPS | Advanced Oxidation Processes Symposium |
| AOPS | Arctic and Offshore Patrol Ship |
| AOPS | Arctic Offshore Patrol Ship |
| AOPS | Arctic Offshore Patrol Ships |