| Acronym |
Agency/Organization/Definition |
| NACC |
North Atlantic Cooperation Council |
| NAFTA |
North American Free Trade Agreement |
| NAIC |
NASA Network Application and Information Center |
| NAL |
National Agricultural Library |
| NAM |
Nonaligned Movement |
| NARA |
National Archives and Record Administration |
| NASA |
National Aeronautics and Space Administration |
| NASS |
National Agricultural Statistics Service |
| NATO |
North Atlantic Treaty Organization |
| NavNews |
Navy News Service |
| NC |
Nordic Council |
| NCBI |
National Center for Biotechnology Information |
| NCJRS |
National Criminal Justice Reference Service |
| NEA |
Nuclear Energy Agency |
| NED |
NASA Extragalactic Database |
| NEDRES |
National Environment Data Referral Service |
| NEH |
National Endowment for the Humanities |
| NEWTON |
Government bulletin board for those teaching and studying science |
| NGA |
National Geospatial-Intelligence Agency |
| NGO |
Non-Governmental Organization |
| NHTSA |
National Highway Traffic Safety Administration |
| NIAID |
National Institute of Allergy and Infectious Disease |
| NIB |
Nordic Investment Bank |
| NIC |
Newly Industrialized Country; see newly industrializing economy (NIE) |
| NICHOLAS |
Network Information Center On-Line Aid System |
| NIE |
Newly Industrialized Economy |
| NIEHS |
National Institue of Environmental Health Sciences |
| NIH |
National Institute of Health |
| NIPA |
National Income and Product Accounts |
| NIMH |
National Institute of Mental Health |
| NIST |
National Institute of Standards and Technology |
| NLM |
National Library of Medicine |
| NMT |
Nordic Mobile Telephone |
| NOAA |
National Oceanic and Atmospheric Administration |
| NPR |
National Performance Review OR National Public Radio |
| NPS |
National Park Service |
| NRC |
Nuclear Regulatory Commission |
| NREN |
National Research and Education Network |
| NSF |
National Science Foundation |
| NSG |
Nuclear Suppliers Group |
| NTIS |
National Technical Information Service |
| NTSB |
National Transportation Safety Board |
| NWS |
National Weater Service, U.S. Department of Commerce |
