NNBA

AcronymDefinition
NNBANational Nurses in Business Association
NNBANavajo Nation Bar Association
NNBANorthern Nevada Bluegrass Association
NNBANational Negro Bowling Association (founded 1939; now The National Bowling Association)
NNBANative National Basketball Association (Ontario, Canada)
NNBANational Negro Bar Association
NNBANorthwest National Bank of Arlington (Arlington, TX)