| Abbreviation | Definition |
|---|---|
| AOD | Audio On Demand |
| AOL | Another One Loves |
| AOL | Audio Over Lan |
| AOP | Advance Online Publication |
| AOP | All Over Print |
| AOR | Adult Orientated Rock |
| AOR | Adult Oriented Rock |
| AOR | Album Oriented Rock |
| AOTL | All On The Line |
| AOTS | Attack Of The Show |
| AOTW | Art of the West |
| AP | American Pie |
| AP | Anonymous Photographer |
| AP | Artist Proof |
| AP | Associated Press |
| APA | Amateur Press Association |
| APBI | Associated Press Broadcasters, Inc. |
| APBNN | Associated Press Broadcast News Handbook |
| APC | Association for Progressive Communications |
| APD | Assistant Program Director |