Kiribati participated at the 2018 Summer Youth Olympics in Buenos Aires, Argentina from 6 October to 18 October 2018.

Kiribati was given a quota for a female sprinter, Darina McDermott.

Kiribati qualified one boat based on its performance at the Oceania Youth Olympic Games Qualification event.

[1] Kiribati was given a quota by the tripartite committee to compete in weightlifting,[2] but the KNOC did not select an athlete from Kiribati.