| | Event type
Javelin Throw, Girls
| Date | 13 – 16 October 2018 | |
|---|---|---|
| Status | YOG | |
| Location | Athletics Field, Parque Olímpico de la Juventud, Villa Soldati, Buenos Aires | |
| Participants | 14 from 14 countries | |
| Format | Two stages with final results determined by cumulative distance. | |
| Pos | Competitor | NOC | Distance | |||
|---|---|---|---|---|---|---|
| 1 | Elina Tzengko |  GRE | 125.08 | Gold | ||
| 2 | Juleisy Ángulo |  ECU | 115.03 | Silver | ||
| 3 | Münevver Hancı |  TUR | 114.47 | Bronze | ||
| 4 | Wang Ying |  CHN | 111.91 | |||
| 5 | Aliaksandra Konshyna |  BLR | 110.26 | |||
| 6 | Gedly Tugi |  EST | 105.25 | |||
| 7 | Skylar Ciccolini |  USA | 104.97 | |||
| 8 | Lea Wipper |  GER | 99.72 | |||
| 9 | Bruna de Jesus |  BRA | 95.29 | |||
| 10 | Martha Nthanze Musai |  KEN | 93.41 | |||
| 11 | Minna Hollanti |  FIN | 92.64 | |||
| 12 | Luceris Suárez |  COL | 90.08 | |||
| 13 | Ivana Koktavá |  CZE | 89.56 | |||
| 14 | Xochitl Montoya |  MEX | 83.77 | |||
| Yuika Nakamura |  JPN | – |