Argentine-South African relations refers to the current and historical relationship between Argentina and South Africa. Diplomatic relations were first established on September 10, 1947 but were cut off in 1982 due to the Falklands War. Full diplomatic relations between both countries were re-established in August 1991. Argentina has an embassy in Pretoria and South Africa has an embassy in Buenos Aires. Both countries are members of the Cairns Group. As of 2010, Argentina was South Africa's second largest trading partner in Latin America after Brazil.
In August 2009, former South African leader of the opposition party Democratic Alliance, Tony Leon, was appointed as his country's to ambassador to Argentina.