HIAS
| Acronym | Definition |
|---|---|
| HIAS | Hebrew Immigrant Aid Society |
| HIAS | Hospital Infantil Albert Sabin (Portuguese: Albert Sabin Children's Hospital; Fortaleza, Brazil) |
| HIAS | Hampshire Industrial Archaeology Society (UK) |
| HIAS | Hotel Industry Apprenticeship Scheme |
| HIAS | Homeland Insecurity Advisory System (political group; Washington, DC) |
| HIAS | high intensity active sonar |