| AJAC | Aboriginal Justice Advisory Council 
| Others |
| AJAC | Aerospace Joint Apprenticeship Committee
| Others |
| AJAC | Alabama Jail Administrators Council
| Others |
| AJAC | American Journal of Accountable Care
| Others |
| AJAC | American Journal of Algorithms and Computing
| Others |
| AJAC | American Journal of Analytical Chemistry
| Others |
| AJAC | American Journal of Applied Chemistry
| Others |
| AJAC | Appeals Judicial Approach and Culture
| Others |
| AJAC | Aqua Jets Aquatic Club
| Others |
| AJAC | Asian Journal Applied Communications
| Others |
| AJAC | Asian Journal of Applied Communication
| Others |
| AJAC | Association des Jeunes Agriculteurs de Casamance
| Others |
| AJAC | Automatic Jamming Avoidance Circuitry
| Others |
| AJAC | Automobile Journalists Association of Canada
| Others |
| AJAC | Automobile Journalists' Association of Canada
| Others |