Navy Personnel Command 
National Plan Coordination 
Non-Player Character 
NASA Publication Control 
National People's Congress 
National Petroleum Council 
National Processing Center 
Network Parameter Control 
Niemann-Pick disease type C 
Nitrogen Purge Control 
NASA Policy Charter 
nasopharyngeal carcinoma 
National Postgraduate Committee 
National Power Corporation 
National Public Consensus 
NATO Pipeline Committee 
Naval Photographic Center 
nearpoint of convergence 
Neighborhood Preservation Corporation 
Net Present Cost 
Network Personal Computer 
Network Processing Card 
Network Processing Center 
Network Protocol Control 
Not politically correct 
nuclear pore complex 
Nutritional Prevention of Cancer 
nasopharyngeal cancer 
nasopharyngeal carcinomas 
National Panhellenic Conference