English abbreviations from nnag to nns
- NNAG (North Atlantic Treaty Organization (NATO) Naval Armaments Group)
- NNAWM (National Native American Wellbriety Month)
- NNB (Noon News Bulletin)
- NNC (Non- Normal Checklist)
- NND (No New Data)
- NNDSS (Nationally Notifiable Disease Surveillance System)
- NNE (North North-East)
- NNELL (National Network for Early Language Learning)
- NNF (New National Framework for teaching)
- NNFF (National NeuroFibromatosis Foundation)
- NNG (Nanning Wuxu International Airport)
- NNI (News Network International)
- NNJ (Nexus Network Journal)
- NNK (Naknek Airport (FAA: 5NK))
- NNL (Nondalton Airport (FAA: 5NN))
- NNM (Naryan-Mar Airport)
- NNMC (National Naval Medical Center)
- NNMCC (Northern New Mexico Community College)
- NNN (Near Northwest Neighborhood, Inc.)
- nno (Norwegian Nynorsk language (ISO 639-2 code))
- NNP (Nkrumah National Party)
- NNPDF (National Niemann- Pick Disease Foundation)
- NNPN (Neighbor to Nation/ PledgeNet)
- NNPTC (Naval Nuclear Power Training Command)
- NNR (Connemara Regional Airport)
- NNS (Northern North Sea)