Algeria competed at the 2014 Summer Youth Olympics, in Nanjing, China from 16 August to 28 August 2014.
Algeria qualified 12 athletes.
<small>Qualification Legend: Q=Final A (medal); qB=Final B (non-medal); qC=Final C (non-medal); qD=Final D (non-medal); qE=Final E (non-medal)</small>
Algeria qualified one boxer based on its performance at the 2014 AIBA Youth World Championships
Algeria qualified a boys' and girls' team based on its ranking issued by the UCI.
Algeria qualified two athletes based on its performance at the 2014 Cadet World Championships.
Algeria qualified one athlete based on its performance at the 2014 African Artistic Gymnastics Championships.
Algeria qualified two athletes based on its performance at the 2013 Cadet World Judo Championships.
Algeria qualified two boats based on its performance at the African Qualification Regatta.
<small>Qualification Legend: FA=Final A (medal); FB=Final B (non-medal); FC=Final C (non-medal); FD=Final D (non-medal); SA/B=Semifinals A/B; SC/D=Semifinals C/D; R=Repechage</small>
Algeria qualified one boat based on its performance at the Byte CII African Continental Qualifier. Later they were given a reallocation spot based on being a top ranked nation not yet qualified.
Algeria qualified one swimmer.
Algeria qualified one athlete based on its performance at the African Qualification Event.
<small>Qualification Legend: Q=Main Bracket (medal); qB=Consolation Bracket (non-medal)</small>
Algeria qualified 1 quota in the boys' and girls' events based on the team ranking after the 2014 Weightlifting Junior & Youth African Championships.
Algeria qualified three athletes based on its performance at the 2014 African Cadet Championships.