| Abbreviation | Definition |
|---|---|
| AIF | Associazione per l'Insegnamento della Fisica |
| AIFACS | All India Fine Arts and Crafts Society |
| AIFACS | All India Fine Arts Craft Society |
| AIFACS | All India Fine Arts Crafts Society |
| AIG | Asociacin Internacional de Geodesia |
| AIG | Asociación Internacional de Geodesia |
| AIG | Association Internationale de Géodésie |
| AIG | Association Internationale de Godsie |
| AIG | Australian Institute of Geoscientists |
| AIG | International Association of Geodesy |
| AIG | Internationale Assoziation fr Geodsie |
| AIG | Internationale Assoziation für Geodäsie |
| AIH | Australian Institute of Horticulture |
| AIHR | Association Internationale pour l'Histoire des Religions |
| AIHR | International Association for the History of Religions |
| AIHS | American Interventional Headache Society |
| AIHS | American Irish Historical Society |
| AIHS | American Italian Heritage Society |
| AIHS | Anderson Island Historical Society |
| AIHS | Applied Informatics for Health Society |