- BIAZA is a conservation, education and scientific wildlife charity. BIAZA believes the best place to save animals is in the wild, but for many species this may not be an option. If animals are to be exhibited it is important that both the reasons and objectives for so doing are clearly defined.
- The Iberian Association of Zoos and Aquaria (AIZA) is a non-profit making organization which brings together all Spanish and Portuguese Zoos and Aquaria
- The Alliance of Marine Mammal Parks and Aquariums is an international association of marine life parks, aquariums, zoos, research facilities and professional organizations dedicated to the conservation of marine mammals and their environments through public display, education and research.
- An international organization of volunteer zoo and aquarium guides and interpreters, currently numbering over two thousand members from e.g. Canada, Great Britain and Bermuda.
- ARAZPA is the collective professional association of the zoos and aquariums of Australia, New Zealand and Papua New Guinea.
- AZA represents virtually every professionally operated zoological park, aquarium, oceanarium, and wildlife park in North America
- The Canadian Association of Zoos and Aquariums is a non-profit organization established to promote the welfare of and encourage the advancement and improvement of zoology, recreation, education, conservation and science.
- Striving to enact legally enforceable standards and norms of upkeep and management of animals in Indian zoos.
- (in German Language) The German Animal Park Association
- The E.A.A.M. is an organisation of people interested in marine mammals in human care ,in a zoological environment or in the wild.
- More than 250 zoos from 31 European countries, ranging from Sweden to Spain, and from Ireland to Kazakhstan, are member of EAZA.
- The Society of Zoos of Brazil.
- The vision of the South East Asian Zoos Association is that its member zoos utilize their animal collections for the primary purposes of educating our public by imparting messages on the urgent need for environmental conservation in a manner that upholds the respect and dignity of the wild animal.