| Event: | Boys' 55 kg |
| Games: | 2014 Summer Youth |
| Venue: | Longjiang Gymnasium |
| Date: | August 17 |
| Competitors: | 6 |
| Nations: | 6 |
| Gold: | Bauyrzhan Zhauyntayev |
| Goldnoc: | KAZ |
| Silver: | Natig Gurbanli |
| Silvernoc: | AZE |
| Bronze: | Jorre Verstraeten |
| Bronzenoc: | BEL |
| Bronze2: | Oğuzhan Karaca |
| Bronzenoc2: | TUR |
| Prev: | 2010 |
| Next: | 2018 |
The Boys' 55 kg tournament in Judo at the 2014 Summer Youth Olympics was held on August 17 at the Longjiang Gymnasium.
This event was the lightest of the boy's judo weight classes, limiting competitors to a maximum of 55 kilograms of body mass. The tournament bracket consisted of a single-elimination contest culminating in a gold medal match. There was also a repechage to determine the winners of the two bronze medals. Each judoka who had lost before the finals competed in the repechage with the two finalists getting bronze medals.