HOCA
| Acronym | Definition |
|---|---|
| HOCA | Heart of Catskill Association (New York) |
| HOCA | Hypertrophic Obstructive Cardiomyopathy |
| HOCA | Hands of Change Association |
| HOCA | Helping Our Children Achieve (Grafton, MA; support group) |
| HOCA | Handbook of Clinical Audiology (Jack Katz book) |
| HOCA | Health Organization for Central Afghanistan |