The women's 3000 metres event at the 2008 World Junior Championships in Athletics was held in Bydgoszcz, Poland, at Zawisza Stadium on 12 July.
| Gold | Mercy Cherono | |
| Silver | Bizunesh Urgesa | |
| Bronze | Frehiwot Goshu |
12 July
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| align=left | align=left | | 8:58.07 | ||||
| align=left | align=left | | 8:58.90 | ||||
| align=left | align=left | | 9:03.76 | ||||
| 4 | align=left | align=left |  | 9:11.59 | |||
| 5 | align=left | align=left | | 9:12.85 | |||
| 6 | align=left | align=left |  | 9:15.11 | |||
| 7 | align=left | align=left | | 9:15.59 | |||
| 8 | align=left | align=left |  | 9:15.74 | |||
| 9 | align=left | align=left | 9:15.98 | ||||
| 10 | align=left | align=left |  | 9:16.09 | |||
| 11 | align=left | align=left | 9:16.92 | ||||
| 12 | align=left | align=left | | 9:20.46 | |||
| 13 | align=left | align=left |  | 9:29.34 | |||
| 14 | align=left | align=left |  | 9:31.89 | |||
| 15 | align=left | align=left |  | 9:38.85 | |||
| 16 | align=left | align=left |  | 9:41.24 | |||
| 17 | align=left | align=left | | 9:42.05 | |||
| 18 | align=left | align=left |  | 10:07.77 |
According to an unofficial count, 18 athletes from 12 countries participated in the event.