HAHS
| Acronym | Definition |
|---|---|
| HAHS | Health and Human Services |
| HAHS | Hayward Area Historical Society (est. 1956; Hayward, CA) |
| HAHS | Hurlstone Agricultural High School (Sydney, Australia) |
| HAHS | Heidelberg American High School (Heidelberg, Germany) |
| HAHS | Harry Ainlay High School (Edmonton, Alberta, Canada) |
| HAHS | Hospital and Health Services |