| AHI | Access to Health Insurance 
| Others |
| AHI | Action Health Incorporated
| Others |
| AHI | Adirondack Health Institute
| Others |
| AHI | Advanced Himawari Imager
| Others |
| AHI | Aesthetic Hair Integration
| Others |
| AHI | Affordable Housing Institute
| Others |
| AHI | Afrikaanse HandelsInstituut
| Others |
| AHI | Aftertreatment Hydrocarbon Injector
| Others |
| AHI | Alexander Hamilton Institute
| Others |
| AHI | Allied Health Instructor
| Others |
| AHI | Alter Host Identifier
| Others |
| AHI | American Hellenic Institute
| Others |
| AHI | Animal Health Institute
| Others |
| AHI | Apnea Hypopnea Index
| Others |
| AHI | Apnea-Hypopnea Index
| Others |
| AHI | Apnoea Hypopnea Index
| Others |
| AHI | Apnoea Hypopnoea Index
| Others |
| AHI | Applied Health Informatics
| Others |
| AHI | Architecture and History Inventory
| Others |
| AHI | Arts and Humanities Initiative
| Others |
| AHI | Association Francaise pour l'Histoire et l'Informatique
| Others |
| AHI | Association of Hydrologists of India
| Others |
| AHI | At-Home Insemination
| Others |
| AHI | Audio Hardware Interface
| Others |
| AHI | Auto Health Index
| Others |
| AHI | Autoliv Holding Inc.
| Others |
| AHI | Average Hitpoint Infliction
| Others |
| AHI | Azrak Hamway Incorporated
| Others |
| AHI | Azrak Hamway International
| Others |