| Acronym | Definition |
|---|
| HOSA➣Health Occupations Students of America (Flower Mound, TX) |
| HOSA➣Higher-Order Spectral Analysis |
| HOSA➣Health Occupation Student Association |
| HOSA➣Hydroxylamine-O-Sulfonic Acid |
| HOSA➣Hearing Office Systems Assistant |
| HOSA➣Heads of Student Administration (conference) |