The women's 3000 metres steeplechase event at the 2015 European Athletics U23 Championships was held in Tallinn, Estonia, at Kadriorg Stadium on 9 and 11 July.
| Gold | Tuğba Güvenç | |
| Silver | Maeva Danois | |
| Bronze | Emma Oudiou |
11 July
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| align=left | align=left | | 9:36.14 | ||||
| align=left | align=left | | 9:40.89 | NUR PB | |||
| align=left | align=left | | 9:44.74 | PB | |||
| 4 | align=left | align=left |  | 9:46.34 | PB | ||
| 5 | align=left | align=left | 9:52.03 | ||||
| 6 | align=left | align=left | 9:56.25 | SB | |||
| 7 | align=left | align=left |  | 9:58.95 | |||
| 8 | align=left | align=left | 9:59.83 | ||||
| 9 | align=left | align=left |  | 10:00.07 | |||
| 10 | align=left | align=left | | 10:03.06 | PB | ||
| 11 | align=left | align=left | | 10:03.52 | PB | ||
| 12 | align=left | align=left | 10:04.42 | ||||
| 13 | align=left | align=left | 10:05.47 | ||||
| 14 | align=left | align=left |  | 10:23.25 | |||
| 15 | align=left | align=left |  | 10:41.86 |
9 July
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 9:54.90 | Q | ||
| 2 | align=left | align=left | | 9:55.28 | Q | ||
| 3 | align=left | align=left | 9:57.75 | PB Q | |||
| 4 | align=left | align=left | 10:03.69 | Q | |||
| 5 | align=left | align=left | | 10:04.07 | Q | ||
| 6 | align=left | align=left | | 10:10.91 | SB q | ||
| 7 | align=left | align=left | | 10:11.49 | PB q | ||
| 8 | align=left | align=left |  | 10:15.80 | |||
| 9 | align=left | align=left |  | 10:21.32 | PB | ||
| 10 | align=left | align=left | | 10:26.39 | |||
| 11 | align=left | align=left | | 10:37.32 | |||
| 12 | align=left | align=left |  | 10:38.35 | |||
| 13 | align=left | align=left | 10:42.21 | ||||
| 14 | align=left | align=left |  | 11:08.64 |
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 9:58.13 | Q | ||
| 2 | align=left | align=left | | 9:58.29 | NUR PB Q | ||
| 3 | align=left | align=left | 9:59.23 | Q | |||
| 4 | align=left | align=left | | 9:59.48 | Q | ||
| 5 | align=left | align=left | | 9:59.76 | SB Q | ||
| 6 | align=left | align=left | 9:59.79 | q | |||
| 7 | align=left | align=left | 10:00.06 | SB q | |||
| 8 | align=left | align=left | | 10:06.34 | PB q | ||
| 9 | align=left | align=left | 10:21.43 | PB | |||
| 10 | align=left | align=left | | 10:25.41 | |||
| 11 | align=left | align=left | 10:26.53 | PB | |||
| 12 | align=left | align=left | | 10:31.65 | |||
| 13 | align=left | align=left | | 10:35.22 | |||
| 14 | align=left | align=left |  | 11:06.62 | PB |
According to an unofficial count, 28 athletes from 17 countries participated in the event.