| | Event type
High Jump, Boys
| Date | 11 – 14 October 2018 | |
|---|---|---|
| Status | YOG | |
| Location | Athletics Field, Parque Olímpico de la Juventud, Villa Soldati, Buenos Aires | |
| Participants | 16 from 16 countries | |
| Format | Two stages with final results determined by cumulative height. | |
| Pos | Competitor | NOC | Height | |||
|---|---|---|---|---|---|---|
| 1 | Chen Long |  CHN | 4.35 | Gold | ||
| 2 | Oscar Miers |  AUS | 4.27 | Silver | ||
| 3 | Oleh Doroshchuk |  UKR | 4.23 | Bronze | ||
| 4 | Seniru Amarasinghe |  SRI | 4.19 | |||
| 5 | Elton Petronilho |  BRA | 4.16 | |||
| 6 | Arttu Mattilä |  FIN | 4.16 | |||
| =7 | Kampton Kam |  SGP | 4.12 | |||
| =7 | Shaun Miller |  BAH | 4.12 | |||
| 9 | Omar McBride |  USA | 4.08 | |||
| 10 | Nikola Mujanović |  SRB | 4.07 | |||
| 11 | Mohammed-Ali Benlahbib |  FRA | 4.02 | |||
| 12 | Bilel Afer |  ALG | 3.98 | |||
| 13 | Armando Bustos |  VEN | 3.88 | |||
| 14 | Justin Herrera |  ECU | 3.83 | |||
| 15 | Shirgeldi Utomyshov |  TKM | 1.95 | |||
| Ali Berk Erol |  TUR | – |