ZBB is a three-letter abbreviation with multiple meanings, as described below: Zero Bug Bounce, a measure of software quality assurance Zero-based budgeting, an alternative to traditional budget planning Zac Brown Band, a country music band founded out of the heart of Atlanta Zompist Bulletin Board, a forum for constructed worlds and languages ZBB may also be: the IATA code for the Esbjerg Rail Station operated by DSB in Esbjerg, Denmark part of CZBB, the ICAO code for Boundary Bay Airport in British Columbia, Canada the call sign of a 2 kW navigation beacon on 396 kHz that was located on South Bimini Island within the nation of The Bahamas. the postcode of Żebbuġ, Gozo, Malta