| Acronym | Definition |
|---|
| HDSA➣Huntington's Disease Society of America |
| HDSA➣Historically Disadvantaged South Africans |
| HDSA➣Help Desk Senior Analyst (job title) |
| HDSA➣Huronia District Soccer Association |
| HDSA➣Human Development in South Asia (living standards report; Human Development Foundation) |
| HDSA➣Higher Diploma in Systems Analysis (est. 1996; National University of Ireland, Galway; Galway, Ireland) |