HONC
| Acronym | Definition |
|---|---|
| HONC | Hooked on Nicotine Checklist |
| HONC | Hyperosmolar Nonketotic Coma |
| HONC | Hell of the North Cotswolds (UK mountain biking race) |
| HONC | Horii Oral Nasal Coupling |
| HONC | Hawaii Ocean Noise Coalition (International Ocean Noise Coalition) |
| HONC | Hydrogen, Oxygen, Nitrogen, Carbon (chemistry) |