The boys' freestyle 55 kg competition at the 2018 Summer Youth Olympics was held on 14 October, at the Asia Pavilion.

[1] As there were less than six wrestlers in a weight category, the pool phase will be run as a single group competing in a round-robin format.

Ranking within the groups is used to determine the pairings for the final phase.

[1] All times are in local time (UTC-3).

Group Stages Group A Group B