- Nanjing University
- Nanjing University of Finance and Economics
- Nantes Université
- NANTES UNIVERSITÉ - École Centrale de Nantes
- Nantes Université - Institut d'Administration des Entreprises - Nantes
- Nantes Université - pôle Humanités
- Nantes Université - pôle Santé
- Nantes Université - pôle Sciences et technologie
- Nantes Université - pôle Sociétés
- Nantes université - UFR des Sciences et des Techniques
- Nantes Université - UFR des Sciences Pharmaceutiques et Biologiques
- NASA Goddard Institute for Space Studies
- NASA Goddard Space Flight Center
- NASA Headquarters
- NASA Jet Propulsion Laboratory
- National Biodiversity Future Center
- National Council for Scientific Research = Conseil national de la recherche scientifique du Liban [Lebanon]
- National Institute for Environmental Studies
- National Institute of Water and Atmosphere [Hamilton]
- National Museum of Natural History [Sofia]
- National Oceanic and Atmospheric Administration
- National Oceanography Centre [Southampton]
- National Research Council of Italy | Consiglio Nazionale delle Ricerche
- National Research Foundation [South Africa]
- National Socio-Environmental Synthesis Center [Maryland]
- National Stream and Aquatic Ecology Center
- National Technical University of Athens [Athens]
- National University of Ireland Maynooth
- National University of Singapore
- Natural Environment Research Council
- Naturalis Biodiversity Center [Leiden]
- Natural Resources Canada
- Natural Resources Institute Finland
- NatureScot Perth UK
- Naturhistorisches Museum [Bern]
- Nederlands Instituut Voor Ecologie - NIOO (NETHERLANDS)
- New Mexico Consortium
- Nicholas School of the Environment
- NOAA Geophysical Fluid Dynamics Laboratory
- NOAA National Marine Fisheries Service
- NOAA Northeast Fisheries Science Center
- NOAA Pacific Marine Environmental Laboratory [Seattle]
- Nord University [Bodø]
- Normandie Université
- Northern Forestry Centre
- North Pacific Anadromous Fish Commission
- Northwest Fisheries Science Center
- Norwegian Institute for Nature Research
- Norwegian Institute for Water Research
- Norwegian Polar Institute
- Norwegian Research Center
- Norwegian University of Life Sciences
- Norwegian University of Science and Technology
- Norwegian Veterinary Institute [Oslo]
- Nova Southeastern University
- NSW Department of Planning, Industry and Environment