American Fisheries Society: Professional society for fisheries scientists. Goal is to promote the conservation, development and wise use of the fisheries.
Fisheries Society of the British Isles: Organization of professional fish biologists and fisheries managers in the British Isles and Europe.
Gulf and Caribbean Fisheries Institute: GCFI is a not-for-profit organization that promotes the exchange of information on the use and management of marine resources in the Gulf and Caribbean region.
Marine Conservation Alliance: Promotes the sustainable use of North Pacific marine resources. Site includes information on fisheries management topics and issues in the region.
Trout Unlimited: Private, non-profit organization whose mission is to conserve, protect and restore North America's trout and salmon fisheries and their watersheds. Includes information on fisheries management topics.