Algeria participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Algeria qualified one player based on the Badminton Junior World Rankings.
Algeria qualified two athletes based on its performance at the 2018 Cadet World Championship.
Algeria qualified one gymnast based on its performance at the 2018 African Junior Championship, however they did not participate in the competition.
Algeria qualified one gymnast based on its performance at the 2018 African Junior Championship.
Algeria qualified two competitors based on the International Judo Federation World ranking list.
Algeria qualified 3 competitors (1 male and 2 female) for the games.
Algeria qualified two boats based on its performance at the African Techno 293+ Youth Olympic Games Qualifier.
Algeria qualified 3 competitors in swimming for the games.
Algiera qualified two athletes based on its performance at the 2018 African Youth Championships.
Algeria qualified three wrestlers based on its performance at the 2018 African Cadet Championships.