- n.a.
- Nantes Université - pôle Sciences et technologie
- Nantes université - UFR des Sciences et des Techniques
- Národní muzeum [Praha, Česká republika] = National Museum [Prague, Czech Republic] = Musée national [Prague, République tchèque]
- NASA
- National Academy of Sciences of Ukraine = Національна академія наук України = Académie nationale des sciences d'Ukraine
- National and Kapodistrian University of Athens
- National Botanic Garden of Belgium
- National Council for Scientific Research = Conseil national de la recherche scientifique du Liban [Lebanon]
- National Museum of Natural History
- National Museum of Natural History [Sofia]
- National Museum of the Philippines
- National Museums of Kenya
- National Park Service
- National Research Council of Italy | Consiglio Nazionale delle Ricerche
- Natural Environment Centre [Oulu]
- Natural History Museum
- Natural History Museum [Geneva]
- Natural History Museum [Oslo]
- Natural History Museum [Vienna]
- Naturalis Biodiversity Center [Leiden]
- Naturhistorisches Museum Basel
- Naturhistorisches Museum Wien = Natural History Museum Vienna
- Naturkunde-Museum Bielefeld = Natural History Museum in Bielefeld = Musée d'histoire naturelle de Bielefeld
- Natuurhistorisch Museum Maastricht
- Neogene Paleoecology Working Group, Department of Anthropology
- Neuroanatomie Appliquée et Théorique | Applied and Theoretical Neuroanatomy
- Neurobiologie de l'apprentissage, de la mémoire et de la communication
- New Mexico Consortium
- New York University College of Dentistry
- New York University [New York]
- Nicolaus Copernicus University [Toruń]
- Ninewells Hospital and Medical School [Dundee]
- NMK HQ Museum Hill
- Normandie Université
- Northeastern Ohio Medical University
- Northern Illinois University
- NYU System