GNB may refer to:
- G. N. Balasubramaniam (1910â€"1965), Indian singer
- Geographical Names Board of Canada
- Geographical Names Board of New South Wales
- GNB, IATA code for Grenobleâ€"Isère Airport
- GNB Technologies, a North American automotive batteries company acquired by Exide in 2000
- Goliath National Bank, a fictional bank in the American TV sitcom How I Met Your Mother
- Good News Bible
- GNB, the fictional television network where the main characters work on the American TV show Less Than Perfect
- Guardia Nacional Bolivariano (de Venezuela) (Venezuelan National Guard), Venezuelan gendarmerie and military reserve force
See also
- All pages beginning with "GNB"