| Abbreviation | Definition |
|---|---|
| AOP | American Opera Projects |
| AOP | AMQP On Pulsar |
| AOP | An Original Poem |
| AOP | Angel Of Players |
| AOP | Anime Ouen Project |
| AOP | Annals of Probability |
| AOP | Annual Operating Plan |
| AOP | Anomalistic Observational Phenomena |
| AOP | Anti Oppressive Practice |
| AOP | Ask Our Pro |
| AOP | Ask Our Professionals |
| AOP | Aspect Oriented Programmation |
| AOP | Association of Online Publishers |
| AOP | Attack on Principal |
| AOP | Orphan Pharmaceuticals |
| AOPA | American Orthotic And Prosthetic |
| AOPA | Aspect Oriented Program Analysis |
| AOPB | Angel Oak Prime Bridge |
| AOPB | Any Other Pure Bred |
| AOPC | Administrative Office Of Pennsylvania Courts |