GNB

GNB may refer to:


 * Alpes–Isère Airport (IATA code: GNB), a French international airport serving Grenoble
 * G. N. Balasubramaniam (1910–1965, also "GNB"), Indian Carnatic singer
 * Goliath National Bank, a fictional business in the American sitcom, How I Met Your Mother
 * Good News Bible, an English translation of the Christian bible
 * GNB, a fictional television network in the American television sitcom Less than Perfect
 * Granby–Grand County Airport (FAA LID code: GNB), general aviation airport outside Granby, Colorado
 * Venezuelan National Guard, a gendarmerie component of the National Armed Forces of Venezuela
 * gNodeB (Next-Generation Node B), a 5G base station