| Acronym | Definition |
|---|
| HLSA➣Hispanic Law Student Association |
| HLSA➣Harvard Law School Association |
| HLSA➣High Level Service Architecture |
| HLSA➣Homebased Learning Society of Alberta (Edmonton, Alberta, Canada) |
| HLSA➣Hawaii Land Surveyors Association (Honolulu, HI) |
| HLSA➣Human Liver-Specific Antigen |