The women's javelin throw event at the 2017 European Athletics U23 Championships was held in Bydgoszcz, Poland, at Zdzisław Krzyszkowiak Stadium on 15 and 16 July.
| Gold | Sara Kolak | |
| Silver | Anete Kociņa | |
| Bronze | Marcelina Witek |
15 July[1]
Qualification rule: 53.50 (Q) or the 12 best results (q) qualified for the final.
| Rank | Group | Name | Nationality |
|
|
| Results | Notes | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | A | align=left | align=left | x | 61.93 | 61.93 | Q | ||||
| 2 | A | align=left | align=left | 61.81 | 61.81 | Q | |||||
| 3 | A | align=left | align=left | 59.52 | 59.52 | Q | |||||
| 4 | A | align=left | align=left | 49.48 | 59.35 | 59.35 | Q, PB | ||||
| 5 | A | align=left | align=left | x | 56.85 | 58.65 | Q | ||||
| 6 | A | align=left | align=left | 52.06 | 52.87 | 57.50 | 57.50 | Q | |||
| 7 | B | align=left | align=left | 50.37 | x | 56.85 | 56.85 | Q, PB | |||
| 8 | A | align=left | align=left | 52.98 | 55.80 | 55.80 | Q, SB | ||||
| 9 | B | align=left | align=left | 48.92 | 55.77 | 55.77 | Q | ||||
| 10 | B | align=left | align=left | 55.32 | 55.32 | Q | |||||
| 11 | B | align=left | align=left | 54.79 | 54.79 | Q, PB | |||||
| 12 | A | align=left | align=left | 51.09 | 50.77 | 54.36 | 54.36 | Q | |||
| 13 | A | align=left | align=left | 53.88 | 53.88 | Q | |||||
| 14 | B | align=left | align=left | 47.44 | 49.77 | 51.66 | 51.66 | ||||
| 15 | B | align=left | align=left | 44.16 | 49.49 | 50.59 | 50.59 | NU23R | |||
| 16 | B | align=left | align=left | 49.97 | 46.28 | 46.97 | 49.97 | ||||
| 17 | B | align=left | align=left | 49.76 | 49.68 | x | 49.76 | ||||
| 18 | A | align=left | align=left | 41.42 | 49.37 | 47.65 | 49.37 | ||||
| 19 | B | align=left | align=left | 43.93 | 48.74 | 42.91 | 48.74 | ||||
| 20 | B | align=left | align=left | 47.47 | 48.54 | 47.92 | 48.54 | ||||
| 21 | B | align=left | align=left | 48.04 | 47.61 | 44.48 | 48.04 | ||||
| 22 | A | align=left | align=left | 47.18 | 46.18 | 44.88 | 47.18 | ||||
| 23 | A | align=left | align=left | 43.61 | 46.57 | x | 46.57 | ||||
| 24 | A | align=left | align=left | 45.64 | 45.13 | x | 45.64 | ||||
| 25 | B | align=left | align=left | x | x | 41.77 | 41.77 | ||||
| 25 | B | align=left | align=left | x | x | 38.88 | 38.88 | ||||
| A | align=left | align=left | x | x | x | ||||||
| B | align=left | align=left | x | x | x |
15 July[2]
| Rank | Name | Nationality |
|
|
|
|
|
| Result | Notes | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| align=left | align=left | 63.12 | 65.12 | x | 61.22 | 61.02 | 64.69 | 65.12 | |||||
| align=left | align=left | 59.16 | 58.13 | 62.38 | x | x | 64.47 | 64.47 | PB | ||||
| align=left | align=left | 57.10 | 57.47 | 57.11 | 61.09 | 63.03 | 55.72 | 63.03 | PB | ||||
| align=left | align=left | 53.24 | x | 62.37 | 61.68 | x | 58.86 | 62.37 | |||||
| align=left | align=left | 60.44 | x | 58.92 | 57.01 | 58.68 | x | 60.44 | |||||
| align=left | align=left | 48.05 | 58.00 | x | 55.09 | 56.03 | x | 58.00 | PB | ||||
| align=left | align=left | 57.31 | 57.46 | 54.35 | 55.58 | 57.87 | 57.03 | 57.87 | |||||
| align=left | align=left | 51.08 | 52.73 | 57.65 | 54.73 | 55.58 | 55.08 | 57.65 | |||||
| align=left | align=left | 55.28 | 55.53 | 51.66 | 55.53 | ||||||||
| 10 | align=left | align=left | 55.11 | x | x | 55.11 | |||||||
| 11 | align=left | align=left | 49.73 | 54.50 | 54.65 | 54.65 | |||||||
| 12 | align=left | align=left | 49.52 | 53.34 | 54.14 | 54.14 | |||||||
| 13 | align=left | align=left | 47.80 | 52.62 | 49.47 | 52.62 |