South Africa participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
South Africa qualified two boats based on its performance at the 2018 World Qualification Event.
South Africa qualified one dancer based on its performance at the 2018 World Youth Breaking Championship.
South Africa qualified a rider based on its ranking in the FEI World Jumping Challenge Rankings.
South Africa qualified a mixed pair based on its performance at the 2018 Acrobatic Gymnastics World Championship.
South Africa qualified two gymnasts based on its performance at the 2018 African Junior Championship.
South Africa qualified one gymnast based on its performance at the 2018 African Junior Championship.
Pool A
South Africa qualified two pentathletes based on its performance at the Asian/Oceanian Youth Olympic Games Qualifier.
South Africa qualified two boats based on its performance at the 2017 World Junior Rowing Championships.
South Africa qualified one boat based on its performance at the African and European IKA Twin Tip Racing Qualifiers.
South Africa qualified one sport shooter based on its performance at the 2017 African Championships.
South Africa qualified two sport climbers based on its performance at the 2017 World African Sport Climbing Championships.
South Africa qualified two athletes based on its performance at the 2018 African Youth Olympic Games Qualifier.
South Africa qualified one athlete based on its performance at the 2018 African Youth Championships.
South Africa qualified one wrestler based on its performance at the 2018 African Cadet Championships.
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