South Africa is accredited to the following United Nations Organizations, International Organizations and Arms Control Regimes based in Vienna:

• United Nations Office at Vienna (UNOV)
• International Atomic Energy Agency (IAEA)
• Preparatory Commission (PrepCom) for the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO)
• United Nations Office on Drugs and Crime (UNODC)
• United Nations Industrial Development Organization (UNIDO)
• Zangger Committee (ZC)
• Nuclear Suppliers Group (NSG)
• Wassenaar Arrangement (WA)
• The Hague Code of Conduct against the Proliferation of Ballistic Missiles (HCOC)
• Commission On Crime Prevention And Criminal Justice (CCPCJ)
• Commission On Narcotic Drugs (CND)
• United Nations Office On Outer Space Affairs (UNOOSA)
• Committee On The Peaceful Uses Of Outer Space (COPUOS)
• United Nations Commission On International Trade Law (UNCITRAL)