- African Development Bank (AfDB)
- African Union (AU)
- Commonwealth of Nations (CN)
- Food and Agriculture Organization (FAO)
- Group of 77 (G-77)
- International Atomic Energy Agency (IAEA)
- International Bank for Reconstruction and Development (IBRD)
- International Civil Aviation Organization (ICAO)
- International Criminal Court (ICCt)
- International Confederation of Free Trade Unions (ICFTU)
- International Fund for Agricultural Development (IFAD)
- International Finance Corporation (IFC)
- International Federation of Red Cross and Red Crescent Societies (IFRCS)
- International Labour Organization (ILO)
- International Monetary Fund (IMF)
- Interpol (organization) Interpol
- International Olympic Committee (IOC)
- International Organization for Migration (IOM, observer)
- International Organization for Standardization (ISO, correspondent)
- Organisation for the Prohibition of Chemical Weapons (OPCW)
- Southern African Customs Union (SACU)
- Southern African Development Community (SADC)
- United Nations Conference on Trade and Development (UNCTAD)
- United Nations Educational, Scientific and Cultural Organization (UNESCO)
- United Nations High Commissioner for Refugees (UNHCR)
- United Nations Industrial Development Organization (UNIDO)
- United Nations Mission in Ethiopia and Eritrea (UNMEE)
- United Nations Mission in Liberia (UNMIL)
- Universal Postal Union (UPU)
- World Customs Organization (WCO)
- World Health Organization (WHO)
- World Intellectual Property Organization (WIPO)
- Meteorological Organization (WMO)
- World Tourism Organization (WToO)
- World Trade Organization (WTO)
