HSAB
| Acronym | Definition |
|---|---|
| HSAB | Hard and Soft Acids and Bases |
| HSAB | Health and Science Advisory Board (Lake Worth, FL) |
| HSAB | Heavy Stores Adapter Beam (for external munitions on USAF B-52H) |
| HSAB | Head Side Airbag |
| HSAB | High School and Beyond |
| HSAB | Hellenic Scientists Association of Boston (Boston, MA) |