NNB

AcronymDefinition
NNBNew Northwest Broadcasters (est. 1998; Seattle, WA)
NNBNew Nuclear Build Generation Company (UK)
NNBNorthern Native Broadcasting (Canada)
NNBNumber Nine Bus
NNBNegative Nitrogen Balance
NNBNational Neopian Bank (Neopets)
NNBNumbers Needed to Benefit (vascular medicine)
NNBNon-Night-Blind Controls (nutrition)