Algeria participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Medalists
Mixed NOC
Athletics
Badminton
Algeria qualified one player based on the Badminton Junior World Rankings.
Team
Boxing
Boys
Girls
Fencing
Algeria qualified two athletes based on its performance at the 2018 Cadet World Championship.
Gymnastics
Artistic
Algeria qualified one gymnast based on its performance at the 2018 African Junior Championship, however they did not participate in the competition.
Trampoline
Algeria qualified one gymnast based on its performance at the 2018 African Junior Championship.
Multidiscipline
Judo
Algeria qualified two competitors based on the International Judo Federation World ranking list.
Boys
Girls
Mixed team
Rowing
Algeria qualified 3 competitors (1 male and 2 female) for the games.
Boys
Girls
Sailing
Algeria qualified two boats based on its performance at the African Techno 293+ Youth Olympic Games Qualifier.
Boys
Girls
Swimming
Algeria qualified 3 competitors in swimming for the games.
Boys
Girls
Weightlifting
Algiera qualified two athletes based on its performance at the 2018 African Youth Championships.
Wrestling
Algeria qualified three wrestlers based on its performance at the 2018 African Cadet Championships.