BCNH
| Acronym | Definition |
|---|---|
| BCNH | Black-Crowned Night Heron (bird) |
| BCNH | British College of Nutrition and Health (est. 2000; UK) |
| BCNH | British Cars of New Hampshire (est. 1991) |
| BCNH | Bastyr Center for Natural Health |
| BCNH | Body Composition, Nutrition, and Health of Military Women (research committee) |
| BCNH | Bicycle Coalition of New Hampshire |