| 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) |