| Abbreviation | Definition |
|---|---|
| AH | Austria Hungary |
| AH | Authenticated Header |
| AH | Away Home |
| AH | Axes Handle |
| AH | The American Herbal |
| AH | The Augustinian Hypothesis |
| AHA | A Hands on Adventure |
| AHA | Abolish Human Abortion |
| AHA | Active and Healthy Ageing |
| AHA | Active and Healthy Aging |
| AHA | Adult Hockey Association |
| AHA | Alpha Hydoxy Acids |
| AHA | Alpha Hydroxy Acids |
| AHA | alpha hydroxyl acid |
| AHA | Alpha Hydroxyl Acids |
| AHA | American Heart Association's |
| AHA | American Homebrewers Association |
| AHA | Animal Human Alliance |
| AHA | Ansi HTML Adapter |
| AHA | Arabian Horse Association |