- Nagoya University
- Nantes Université
- Nantes Université - pôle Humanités
- Nantes Université - pôle Santé
- Nantes Université - UFR des Sciences Pharmaceutiques et Biologiques
- Nanyang Technological University [Singapour]
- NASA
- National Academy of Sciences of Ukraine = Національна академія наук України = Académie nationale des sciences d'Ukraine
- National Audubon Society Seabird Institute [Bremen, USA]
- National Audubon Society Seabird Institute [ME, USA]
- National Audubon Society Seabird Restoration Program
- National Botanical Research Institute
- National Center for Atmospheric Research [Boulder]
- National Cheng Kung University
- National Environmental Research Institute
- NATIONAL HISTORY MUSEUM LONDON GBR
- National Insitute of Polar Research
- National Insitute of Polar Research [Japan]
- National Institute of Aquatic Resources
- National Institute of Polar Research [Tokyo]
- National Institute of Water and Atmospheric Research [Auckland]
- National Institute of Water and Atmospheric Research [Christchurch]
- National Institute of Water and Atmospheric Research [Wellington]
- National Marine Fisheries Service
- National Marine Fisheries Service [Mississippi, USA]
- National Oceanic and Atmospheric Administration
- National Oceanography Centre [Southampton]
- National Research Council of Italy | Consiglio Nazionale delle Ricerche
- National Research Foundation Centre of Excellence at the Percy FitzPatrick Institute
- National Research Foundation [South Africa]
- National Snow and Ice Data Center
- National Taiwan Ocean University
- National Wildlife Management Centre [UK]
- National Wildlife Research Centre
- Natural Environment Research Council
- Natural History Museum of Denmark
- Natural History Museum of Los Angeles County
- Naturalia-Environnement
- Naturalis Biodiversity Center [Leiden]
- Natural Resources Canada
- Nature North
- Nature Seychelles
- Nelson Mandela University [Port Elizabeth]
- NERC Life Sciences Mass Spectrometry Facility [Glasgow]
- Netherlands Institute of Ecology
- Neuchâtel Platform of Analytical Chemistry
- Neuroépidémiologie Tropicale
- New Caledonia Plant Red List Authority Endemia
- Newcastle University [Newcastle]
- New England Aquarium
- New York Botanical Garden
- New Zealand Department of Conservation
- NGE-GUINTOLI
- Nicholas School of the Environment
- Niels Bohr Institute [Copenhagen]
- NOAA Earth System Research Laboratory
- NOAA Integrated Ocean Observing System
- NOAA National Marine Fisheries Service
- NOAA Northeast Fisheries Science Center
- Normandie Université
- Norsk institutt for bioøkonomi=Norwegian Institute of Bioeconomy Research
- Norsk Institutt for Luftforskning
- North Carolina Museum of Natural Sciences
- North Carolina State University [Raleigh]
- Northeast Iceland Nature Research Centre [Húsavík]
- Northeast Institute of Geography and Agroecology
- Northern Contaminants Program [Canada]
- North Rhine-Westphalia State Agency for Nature, Environment and Consumer Protection
- Northwest Fisheries Science Center
- Norvegian Polar Research Institute
- Norvegian Polar Research Institute [Norway]
- Norwegian Institute for Air Research
- Norwegian Institute for Nature Research
- Norwegian Institute for Water Research
- Norwegian Polar Institute
- Norwegian University of Life Sciences
- Norwegian University of Science and Technology
- Norwegian University of Science and Technology [Trondheim]
- Nova Scotia - Department of Natural Resources and Renewables
- Novia University of Applied Sciences
- NTNU University Museum [Trondheim]
- Nucleus for European Modeling of the Ocean
- Nutrition, Aquaculture et Génomique
- Nutrition, Métabolisme, Aquaculture