A variety of supranational environmental agencies, commissions, programs and secretariats exist across the world today. Some are global in nature, others regional; they may be multi- or bilateral in character. Some are responsible for broad areas of environmental policy, regulation and implementation; others for very specific issue areas. This article lists notable supranational environmental agencies, by region.

This list is incomplete; you can help by adding missing items. (January 2013)

This article does not cite any sources. (October 2021)

• Central African Forest Commission
• Congo Basin Forest Partnership

• Comissão de Integração Nacional, Desenvolvimento Regional e da Amazônia - CINDRA, Brazil
• Commission for Environmental Cooperation, operating under the North American Free Trade Agreement
• The Forum of Ministers of Environment of Latin America and the Caribbean, part of UNEP's Regional office in Latin America and the Caribbean
• International Joint Commission, prevents and resolves disputes about the use and quality of boundary waters on the Canada–US border.^[1]

• Antarctic Treaty Secretariat

• ASEAN Wildlife Enforcement Network
• International Network for Bamboo and Rattan (INBAR)
• Mekong River Commission
• Partnerships in Environmental Management for the Seas of East Asia (PEMSEA)

• Pacific Islands Forum Fisheries Agency
• Pacific Regional Environment Programme

• List of agriculture ministries
• List of environmental ministries
• List of environmental organizations
• List of forestry ministries
• List of intergovernmental organizations
• List of international environmental agreements
• Supranational union