International Man and Biosphere Reserve Network

 International Federation of Human Rights

 International Court of Human Rights

 International Union for the Scientific Study of Population (IUSSP)

 Bank for International Settlements (BIS)

 International Academy for Europe and Asia (IAEA)

 International Energy Agency (IEA)

 International Refugee Organization (IRO)

 Women’s International Democratic Federation (WIDF)

 International Wool Textile Organization (IWTO)

 International Bar Association (IBA)

 International Centre for Theoretical Physics (ICTP)

 International Union of Theoretical and Applied Mechanics

 International Air Transport Association (IATA)

 International Committee on Space Research (ICSR)

 International Council of Scientific Unions (ICSU)

 International Foundation of Sciences (IFS)

 Commission on International Development (CID)

 International Military Sports Council (IMSC)

 International Relief Union (IRU)