NABL

NABL may refer to:
 * National Alliance of Basketball Leagues, American organisation
 * North American League (baseball), official name North American Baseball League, American organisation
 * National Athletic Basketball League, defunct American basketball league
 * North American Basketball League, American minor league basketball organization founded in 2016.
 * National Accreditation Board for Testing and Calibration Laboratories an autonomous body under Department for Promotion of Industry and Internal Trade, Government of India