GNB
GNB is an abbreviation for:
- Grenoble Airport in France (IATA code)
- Largest movement of negativity, upper transition point in the electrocardiogram, see QRS complex # upper transition point
- Guinea-Bissau , alternative country code according to ISO 3166
- Good News Bible , a German translation of the Bible
GN-B stands for:
- Boké region , ISO-3166-2 code of the Guinean region
