| Abbreviation | Definition |
|---|---|
| AHAB | All Hazard Alert Broadcast |
| AHAB | Assigned Harpoon At Birth |
| AHAB | Atmospheric Heating and Breakup |
| AHAC | American Hearing Aid Center |
| AHACS | Acetylated High Amylose Corn Starch |
| AHAD | A Hadith A Day |
| AHAD | An Hour A Day |
| AHAH | A human among humans |
| AHAH | Access to Healthy Assets and Hazards |
| AHAH | Access to Healthy Assets Hazards |
| AHAH | Animal Health and Hydro |
| AHAH | Anti Hebbian and Hebbian |
| AHAH | Appreciating Hubble At Hyperspeed |
| AHAH | Asynchronous HTML and HTTP |
| AHAI | Amarillo Hockey Association Inc |
| AHAI | Amateur Hockey Association Illinois |
| AHAN | Aik Hunar Aik Nagar |
| AHAN | Aikido Humanitarian Active Network |
| AHAN | Art Here and Now |
| AHAP | Affordable Hearing Aid Program |