Armenia participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.
Medalists
Medals awarded to participants of mixed-NOC teams are represented in italics. These medals are not counted towards the individual NOC medal tally.
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Gymnastics
Rhythmic gymnastics
Armenia qualified one rhythmic gymnast based on its performance at the European qualification event.
Girls' rhythmic individual all-around - 1 quota
Judo
Individual
Team
Shooting
Armenia qualified one sport shooter based on its performance at the 2018 European Championships.
Boys' 10m Air Rifle - 1 quota
Team
Swimming
Boys
Taekwondo
Weightlifting
Armenia qualified one athlete based on its performance at the 2017 World Youth Championships.
Boy
Girl
Wrestling
Key: – Without any point scored by the opponent – With point(s) scored by the opponent