| Event: | Women's 800 metre freestyle |
| Competition: | 2015 European Games |
| Year: | 2015 |
| Type: | European Games |
| Venue: | Aquatic Palace |
| Dates: | 23 June |
| Competitors: | 25 |
| Nations: | 19 |
| Win Value: | 8:39.02 |
| Gold: | Holly Hibbott |
| Goldnoc: | GBR |
| Silver: | Anastasiya Kirpichnikova |
| Silvernoc: | RUS |
| Bronze: | Marina Castro |
| Bronzenoc: | ESP |
The women's 800 metre freestyle event at the 2015 European Games took place on 23 June at the Aquatic Palace in Baku.
The heats were started at 12:14 and 19:12.
| Rank | Heat | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|---|
| 3 | 4 | 8:39.02 | GR | ||||
| 3 | 8 | 8:39.73 | |||||
| 3 | 2 | 8:45.51 | |||||
| 4 | 3 | 6 | 8:46.64 | ||||
| 5 | 3 | 5 | 8:47.20 | ||||
| 6 | 3 | 1 | 8:50.21 | ||||
| 7 | 3 | 3 | 8:51.73 | ||||
| 8 | 2 | 5 | 8:51.88 | ||||
| 9 | 2 | 4 | 8:54.28 | ||||
| 10 | 2 | 2 | 8:56.12 | ||||
| 11 | 2 | 3 | 8:56.75 | ||||
| 12 | 3 | 7 | 8:59.44 | ||||
| 13 | 2 | 8 | 9:05.52 | ||||
| 14 | 2 | 6 | 9:07.82 | ||||
| 15 | 2 | 1 | 9:10.36 | ||||
| 16 | 1 | 6 | 9:11.90 | ||||
| 17 | 2 | 7 | 9:13.40 | ||||
| 18 | 2 | 0 | 9:14.73 | ||||
| 19 | 1 | 3 | 9:14.76 | ||||
| 20 | 1 | 2 | 9:15.63 | ||||
| 21 | 1 | 7 | 9:16.00 | ||||
| 22 | 2 | 9 | 9:21.36 | ||||
| 23 | 1 | 4 | 9:22.19 | ||||
| 24 | 1 | 5 | 9:30.63 | ||||
| 25 | 1 | 1 | 9:30.65 |