| Abbreviation | Definition |
|---|---|
| APSM | Asia Pacific Sports Management |
| APSMC | Albert Park Sports Medicine Centre |
| APT | Association of Professional Tossers |
| APTA | American Platform Tennis Association |
| APTW | Australian Pro Tour of Wakeboarding |
| APW | Absolute Power Wrestling |
| APW | Adjusted Pitcher Wins |
| AQ | Action Quake |
| AQ | Additional Qualification |
| AQ | Adventure Quotient |
| AQ | Adversity Quotient |
| AQ | Allowable Qualifiers |
| AQ | Automatic Qualification |
| AQA | American Qigong Association |
| AQC | Adventure Quest Cheat |
| AQHA | American Quarter Horse Association |
| AQJ | Ace, Queen, Jack (no King) |
| AQW | Adventure Quest World |
| AR | Area Record |
| AR | Assistant Referee |