Argentina competed at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018, as host nation. Medalists Medals awarded to participants of mixed-NOC teams are represented in italics. These medals are not counted towards the individual NOC medal tally. |width="30%" align=left valign=top| Competitors Archery Argentina qualified two athletes based on host nation. Boys' Individual - 1 quota Girls' Individual - 1 quota Athletics As hosts, Argentina was given four athlete quotas (2 boys and 2 girls) to compete in athletics. Boys' events - 2 athletes Girls' events - 2 athletes But finally these 7 athletes, based on Panamerican rankings, are selected: Nazareno Sassia (SP), Pablo Zaffaroni (PV), Gustavo Agustín Osorio (JT), Pedro Garrido (400 m hs), Julio Nobile (HT), Luciano Méndez (TJ) and Lázaro Bonora (DT), only boys. Boys Track and road events Field events Badminton As hosts, Argentina was given a spot to compete in the boys' and girls' singles events. Argentina only sent 1 boy. Singles Team Basketball As hosts, Argentina is given a spot to compete in both the boys' and girls' tournaments. Boys' Tournament - 1 team of 4 athletes Girls' Tournament - 1 team of 4 athletes Shoot-out contest Dunk contest Beach handball As hosts, Argentina were given a spot to compete in the boys' and girls' tournament. Beach volleyball As hosts, Argentina was given a spot to compete in the boys' and girls' tournaments. Boys' Tournament - 1 team of 2 athletes Girls' Tournament - 1 team of 2 athletes Boxing As hosts, Argentina was given quotas to compete in two boys' and one girls' events. Boys Girls Canoeing Argentina entered three boats based on its performance at the 2018 World Qualification Event. Boys' C1 - 1 boat Boys' K1 - 1 boat Girls' K1 - 1 boat Boys Girls Cycling As hosts, Argentina was given spots to compete in the boys' and girls' combined team events and in the mixed BMX racing team event. However they declined to compete in BMX racing. They later qualified two athletes in BMX freestyle based on its performance at the 2018 Urban Cycling World Championship. Boys' combined team - 1 team of 2 athletes Girls' combined team - 1 team of 2 athletes Mixed BMX freestyle - 1 boy and 1 girl Mixed BMX freestyle park Combined team Dancesport As hosts, Argentina was given two quotas to compete in dancesport. B-Boys