HTAA
| Acronym | Definition |
|---|---|
| HTAA | Har Tzeon Agudath Achim (synagogue; Silver Spring, MD) |
| HTAA | Hospital Tengku Ampuan Afzan |
| HTAA | History Teachers' Association of Australia |
| HTAA | Heart of Texas Apartment Association (Waco, TX) |
| HTAA | Hamilton Township Athletic Association (Ohio) |