South Africa national rugby union team of Bristol refused to tour for political reasons. Due to the isolation from apartheid, from 1985 to 1991, South Africa did not play a single test match against an established country, although South Africa did play some matches against makeshift teams. In 1985, a planned All Black tour of South Africa was stopped by the New Zealand High Court. A rebel tour took place the next year by a team known as the Cavaliers, which consisted of all but two of the original squad. The Springboks won the series 3–1. In 1989, a World XV sanctioned by the International Rugby
South Africa at the 2018 Commonwealth Games top nine ranked nations from the Commonwealth in the 2016–17 World Rugby Sevens Series ranking. South Africa also qualified a women's team of 12. This qualification came after the South African women's team won the African Cup in 2017. The gold and silver medalist of Africa would then automatically qualify for the 2018 games. The silver medalists were Kenya. South Africa participated with 4 athletes (4 men). A total of 25 South African Swimmers has qualified for the games. This includes 2 para-swimmers. <nowiki>*</nowiki> Competed in heats only. South Africa participated with 1 athlete (1 man). South Africa participated with