Resource: Professional Societies
- National Society of Professional Engineers
- National Space Society
- National Underwater and Marine Agency
- National Wildlife Federation
- National Women's Caucus for Art
- National Writers Union
- Native American Journalists Association
- Natural Justice
- Natural Resources Defense Council
- Nautical Archaeological Society
- Nebraska Department of Environment and Energy
- Network for Ocean Worlds
- Nevada Department of Conservation and Natural Resources
- New England Science Writers
- New Hampshire Aquaculture Association
- New Hampshire Department of Environmental Services
- New Heaven Reef Conservation Program
- New Jersey Department of Environmental Protection
- New Mexico Environment Department
- New Mexico Women in Film
- New Orleans Film Society
- New York Botanical Garden
- New York Climate Change Science Clearinghouse
- New York State Department of Environmental Conservation
- New York Women in Film & Television
- News Leaders Association
- News Leaders Association
- Nieman Foundation for Journalism at Harvard
- NOAA Fisheries
- Nordic Network of Astrobiology
- North American Marine Environment Protection Association
- North American Nature Photography Association
- North Carolina Aquaculture Association
- North Carolina Department of Environment and Natural Resources
- North Central Regional Aquaculture Center
- North Pacific Fishery Management Council
- North Pacific Marine Science Organization
- North Pacific Research Board
- Northeastern Regional Aquaculture Center
- Northern California Science Writers Association
- Northern California Underwater Photographic Society
- Northern Southeast Regional Aquaculture Association
- Northwest Indian Fisheries Commission
- Northwest Science Writers Association
- Novelists, Inc.
- NYC Salt
- NYLPI
- OBIS-SEAMAP Model Repository
- Ocean Alliance
- Ocean and Climate Change Institute