International associations of federated states and regions of which Québec is a member or in which Québec participates

• Council of Great Lakes Governors (CGLG) and Great Lakes Commission (GLC)
• Conference of New England Governors and Eastern Canadian Premiers (CENG-ECP)
• Southeastern United States-Canadian Provinces Alliance (SEUS-CP)
• Western Climate Initiative (WCI)
• Regional Greenhouse Gas Initiative (RGGI)
• The Climate Group (TCG)
• Network of Regional Governments for Sustainable Development (nrg4SD)
• Northern Forum
• Conference of Heads of Government of Partner Regions
• Assembly of European Regions (AER)