| Abbreviation | Definition |
|---|---|
| AJFL | Alun Jones Family Law |
| AJFL | Andover Junior Football League |
| AJG | American Journal of Gastroenterology |
| AJG | Amrop Jenewein Group |
| AJG | Andrew J Galambos |
| AJG | Annuaire Jeux Gagnants |
| AJG | Arab Journal of Gastroenterology |
| AJG | Arthur J Gallagher |
| AJG | Asian Journal of Geoinformatics |
| AJH | Altus Junior High |
| AJH | Alvin Jr High |
| AJH | Alvin Junior High |
| AJH | American Journal of Hematology |
| AJH | Amherst Junior High |
| AJH | Angleton Junior High |
| AJH | Anna Jaques Hospital |
| AJH | Aylen Junior High |
| AJHA | All Japan Hospital Association |
| AJHA | American Journalism Historians Association |
| AJHF | Alabama Jazz Hall of Fame |