The women's hammer throw event at the 2015 European Athletics U23 Championships was held in Tallinn, Estonia, at Kadriorg Stadium on 10 and 11 July.
| Gold | Alexandra Tavernier | |
| Silver | Alena Sobaleva | |
| Bronze | Malwina Kopron |
11 July
| Rank | Name | Nationality | Attempts | Result | Notes | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | ||||||||
| align=left | align=left | | 71.68 | 70.12 | 71.77 | 69.56 | 69.91 | 72.50 | 72.50 | ||||
| align=left | align=left | | x | x | 67.98 | 70.00 | 70.13 | 71.20 | 71.20 | ||||
| align=left | align=left | | 65.09 | 68.00 | 63.36 | 68.57 | 67.92 | 68.48 | 68.57 | ||||
| 4 | align=left | Alexia Sedykh | align=left | | 65.38 | 66.41 | 67.37 | 65.77 | x | 64.10 | 67.37 | ||
| 5 | align=left | align=left |  | 65.73 | x | 64.98 | x | 62.67 | 63.22 | 65.73 | |||
| 6 | align=left | align=left | 62.75 | 64.11 | 64.34 | 63.31 | 63.50 | x | 64.34 | ||||
| 7 | align=left | align=left |  | 62.71 | 64.28 | 62.19 | 63.15 | x | 60.58 | 64.28 | |||
| 8 | align=left | align=left |  | 63.47 | 62.60 | 60.95 | x | 61.97 | x | 63.47 | |||
| 9 | align=left | align=left | | 61.82 | x | x | 61.82 | ||||||
| 10 | align=left | align=left |  | 59.59 | 61.05 | 61.45 | 61.45 | ||||||
| 11 | align=left | align=left |  | x | 60.99 | x | 60.99 | ||||||
| 12 | align=left | align=left |  | 59.50 | 60.73 | 60.39 | 60.73 | ||||||
10 July
| Rank | Name | Nationality | Attempts | Result | Notes | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||||||
| 1 | align=left | align=left | | 72.98 | 72.98 | Q | ||||
| 2 | align=left | align=left | | 70.53 | 70.53 | Q | ||||
| 3 | align=left | align=left | | 67.34 | – | – | 67.34 | q | ||
| 4 | align=left | Alexia Sedykh | align=left | | 63.54 | 65.37 | 66.38 | 66.38 | q | |
| 5 | align=left | align=left | | x | x | 65.66 | 65.66 | q | ||
| 6 | align=left | align=left | | 62.49 | 65.15 | 65.34 | 65.34 | q | ||
| 7 | align=left | align=left | | 65.01 | x | x | 65.01 | q | ||
| 8 | align=left | align=left | | 62.58 | 61.65 | 64.78 | 64.78 | PB q | ||
| 9 | align=left | align=left | x | 64.56 | 64.72 | 64.72 | q | |||
| 10 | align=left | align=left | | 64.25 | 62.51 | 61.34 | 64.25 | q | ||
| 11 | align=left | align=left | | 60.70 | 64.12 | 60.34 | 64.12 | q | ||
| 12 | align=left | align=left | | 60.50 | 63.70 | 63.37 | 63.70 | q | ||
| 13 | align=left | align=left | | 63.64 | 59.68 | x | 63.64 | |||
| 14 | align=left | align=left |  | x | 53.74 | 63.24 | 63.24 | |||
| 15 | align=left | align=left | 61.46 | 62.88 | 63.13 | 63.13 | ||||
| 16 | align=left | align=left | | 61.45 | 59.09 | 62.19 | 62.19 | |||
| 17 | align=left | align=left |  | 55.99 | x | 62.19 | 62.19 | |||
| 18 | align=left | align=left | x | 59.74 | 61.16 | 61.16 | ||||
| 19 | align=left | align=left | x | 59.89 | 60.14 | 60.14 | ||||
| 20 | align=left | align=left | | 56.76 | 60.01 | 59.44 | 60.01 | |||
| 21 | align=left | align=left |  | 56.23 | x | 58.38 | 58.38 | |||
| 22 | align=left | align=left | | 54.26 | 54.09 | 58.24 | 58.24 | |||
| 23 | align=left | align=left |  | 57.72 | 56.72 | x | 57.72 | |||
| 24 | align=left | align=left | | 57.02 | x | 57.68 | 57.68 | |||
| 25 | align=left | align=left | 56.71 | 57.02 | 57.56 | 57.56 | ||||
| 26 | align=left | align=left |  | x | 47.15 | x | 47.15 | |||
According to an unofficial count, 26 athletes from 19 countries participated in the event.