| Abbreviation | Definition |
|---|---|
| APOLAD | Apoland |
| APOLIAN | Apollonian |
| APOLLO | Adaptive Patient Oriented and Longitudinal Learning and Optimization |
| APOLLO | Apple Pattern Of Life Lazy Output |
| APOLLONIC | Apollo Nic |
| APOLLONIC | Apollo – Nic |
| APOLOGIZE | apologized |
| APOLOGIZE | Apologizing |
| APOLOGY | Apologies |
| APOLOGY | Apologize |
| APOLOGY | apologized |
| APON | Adolescent Peer Organised Network |
| APOP | Acoustic Properties Of Plankton |
| APOP | Acutely Presenting Older Patient |
| APOP | Advanced Post Office Protocol |
| APOP | Alternate Point Of Presence |
| APOP | Authentic Post Office Protocol |
| APOP | Authenticated Post Office Protocol |
| APOPO | Anti Persoonsmijnen Ontmijnende Product Ontwikkeling |
| APOR | Average Prime Offer Rate |