| Event: | Boys' 55 kg |
| Games: | 2018 Summer Youth |
| Venue: | Parque Polideportivo Roca |
| Date: | October 7 |
| Competitors: | 12 |
| Nations: | 12 |
| Gold: | Artsiom Kolasau |
| Goldnoc: | BLR |
| Silver: | Temuujin Ganburged |
| Silvernoc: | MGL |
| Bronze: | Oleh Veredyba |
| Bronzenoc: | UKR |
| Bronze2: | Daniel Leutgeb |
| Bronzenoc2: | AUT |
| Prev: | 2014 |
| Next: | 2026 |
The Boys' 55 kg competition at the 2018 Summer Youth Olympics was held on 7 October, at the Asia Pavilion.
All times are in local time (UTC-3).
Legend