| 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 |