The women's javelin throw event at the 2003 European Athletics U23 Championships was held in Bydgoszcz, Poland, at Zawisza Stadion on 19 July.
| Gold | Jarmila Klimešová | |
| Silver | Iryna Kharun | |
| Bronze | Mariya Yakovenko |
19 July
| Rank | Name | Nationality | Attempts | Result | Notes | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | ||||||||
| align=left | align=left | | 59.05 | 59.62 | – | 58.18 | 60.54 | 54.80 | 60.54 | ||||
| align=left | align=left | | 58.28 | 55.79 | 54.46 | 53.18 | x | 56.75 | 58.28 | ||||
| align=left | align=left | | x | 54.28 | x | 56.02 | x | 57.52 | 57.52 | ||||
| 4 | align=left | align=left |  | 54.12 | 56.87 | 50.98 | 51.05 | 55.29 | 57.45 | 57.45 | |||
| 5 | align=left | align=left |  | 53.92 | 52.24 | 54.72 | 55.89 | 56.83 | 55.71 | 56.83 | |||
| 6 | align=left | align=left | | 49.29 | 52.33 | 56.65 | x | 52.87 | 49.22 | 56.65 | |||
| 7 | align=left | align=left | 54.68 | 53.54 | 53.44 | 54.83 | 51.77 | 52.30 | 54.83 | ||||
| 8 | align=left | align=left | 51.51 | 54.28 | 48.94 | x | x | 47.81 | 54.28 | ||||
| 9 | align=left | align=left |  | 54.09 | 51.88 | 51.39 | 54.09 | ||||||
| 10 | align=left | align=left | 48.98 | 49.70 | 54.07 | 54.07 | |||||||
| 11 | align=left | align=left | 53.41 | 53.90 | x | 53.90 | |||||||
| 12 | align=left | align=left |  | 45.07 | 50.54 | 44.47 | 50.54 | ||||||
| 13 | align=left | align=left | 50.40 | x | 49.02 | 50.40 | |||||||
| 14 | align=left | align=left |  | 48.07 | x | 43.93 | 48.07 | ||||||
| 15 | align=left | align=left | | 47.08 | 46.62 | x | 47.08 | ||||||
| 16 | align=left | align=left |  | 44.22 | 42.87 | 37.78 | 44.22 | ||||||
According to an unofficial count, 16 athletes from 12 countries participated in the event.
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