| Nathuram Godse | Nathuram Godse |
| natillas | custard |
| National Advisory Committee for Aeronautics | National Advisory Committee for Aeronautics |
| National Association for the Advancement of Colored People | National Association for the Advancement of Colored People |
| National Association of Securities Dealers | NASD |
| National Audubon Society | National Audubon Society |
| National Basketball Association | National Basketball Association |
| National Broadcasting Company | NBC |
| National Center for Atmospheric Research | National Center for Atmospheric Research |
| National Center for Biotechnology Information | National Center for Biotechnology Information |
| National Center for Supercomputing Applications | National Center for Supercomputing Applications |
| National Collegiate Athletic Association | National Collegiate Athletic Association |
| National Congress of American Indians | National Congress of American Indians |
| National Film Board of Canada | National Film Board of Canada |
| National Football Conference | National Football Conference |
| National Football League | National Football League |
| National Gallery | National Gallery |
| National Gallery of Scotland | National Gallery of Scotland |
| National Geographic Society | National Geographic Society |
| National Health Service | National Health Service |
| National Invitation Tournament | National Invitation Tournament |
| National Language Services | National Language Services |
| National Library of Medicine | United States National Library of Medicine |
| National Mall | National Mall |
| National Park Service | National Park Service |
| National Public Radio | National Public Radio |
| National Science Foundation | National Science Foundation |
| National Socialist Black Metal | National Socialist black metal |
| National Transportation Safety Board | National Transportation Safety Board |
| National Treasure | National Treasure |
| National Trust | National Trust for Places of Historic Interest or Natural Beauty |
| National Trust for Scotland | National Trust for Scotland |
