| Abbreviation | Definition |
|---|---|
| AIY | Augment it Yourself |
| AIZ | Anti Imperialistische Zellen |
| AIZ | Arbeiter Illustrierte Zeitung |
| AIZO | Associazione Italiana Zingari Oggi |
| AJ | A Jerk |
| AJ | Ace Junior |
| AJ | Acoustic Jumbo |
| AJ | Actually Jesus |
| AJ | Adjustable Jig |
| AJ | Advanced Jumbo |
| AJ | Affiliate Junction |
| AJ | After Jenova |
| AJ | Air jet |
| AJ | Air Jordan |
| AJ | Air Junkie |
| AJ | Alain Juppe |
| AJ | Alicia Jane |
| AJ | All Jacks |
| AJ | Alligator Jaws |
| AJ | Alphabetical Jigsaw |