HSAR
| Acronym | Definition |
|---|---|
| HSAR | Homeland Security Acquisition Regulation |
| HSAR | High Sierra Animal Rescue (Portola, CA) |
| HSAR | High Speed Access Report (Information Gatekeepers, Inc.) |
| HSAR | Hull Seaside Animal Rescue, Inc. (Hull, MA) |
| HSAR | Hope Search and Rescue |
| HSAR | High-Speed Auto-Reclosing |