| Abbreviation | Definition |
|---|---|
| AI | authentic idioticy/ idiot |
| AJ | Aaron Jack |
| AJ | Aaron James |
| AJ | Aaron Jensen |
| AJ | Aaron Jesus |
| AJ | Aaron Jordan |
| AJ | Aaron Joseph |
| AJ | Aaron, Junior |
| AJ | Adam Jansen |
| AJ | Adam Joseph |
| AJ | Adam Joshua |
| AJ | Adoniram Judson |
| AJ | Adrian James |
| AJ | Ahmad Jamaluddin |
| AJ | Aidan Joli |
| AJ | Air Jalina |
| AJ | Aj Junior |
| AJ | Alan Joseph |
| AJ | Alan Junior |
| AJ | Albert Jethro |