| Abbreviation | Definition |
|---|---|
| AHAC | Armored Heavy Assault Cruiser |
| AHB | Assault Helicopter Battalion |
| AHERA | Abestos Hazard Emerency Response Act of 1976 |
| AHIA | Academy of Hospitality Industry Attorneys |
| AHJ | Action for Health Justice |
| AHJ | Authorities Having Jurisdiction |
| AHLA | American Health Lawyers Association |
| AHR | Assisted Human Reproduction |
| AHT | Assault heavy transport |
| AIB | Accident Investigation Bureau |
| AIBE | All India Bar Examination |
| AIBN | Accident Investigation Board Norway |
| AIC | Adult In Custody |
| AICC | Accident Investigation Coordination Committee |
| AICRO | All India Crime Reform Organization |
| AIDB | Accountancy Investigation & Discipline Board |
| AIDB | Accountancy Investigation Discipline Board |
| AIDG | Anti Illegal Drugs Group |
| AIDWYC | Association In Defence of the WronglY Convicted |
| AIIF | Attorneys Insurance Indemnity Fund |