The women's 3000 metres steeplechase event at the 2004 World Junior Championships in Athletics was held in Grosseto, Italy, at Stadio Olimpico Carlo Zecchini on 13 and 15 July.
| Gold | Gladys Jerotich Kipkemoi | |
| Silver | Ancuța Bobocel | |
| Bronze | Cătălina Oprea |
15 July
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| align=left | align=left | | 9:47.26 | ||||
| align=left | align=left | | 9:49.03 | ||||
| align=left | align=left | | 9:50.04 | ||||
| 4 | align=left | align=left | | 9:52.25 | |||
| 5 | align=left | align=left | 9:59.33 | ||||
| 6 | align=left | align=left | 10:06.96 | ||||
| 7 | align=left | align=left |  | 10:10.84 | |||
| 8 | align=left | align=left |  | 10:18.50 | |||
| 9 | align=left | align=left | | 10:20.96 | |||
| 10 | align=left | align=left |  | 10:24.60 | |||
| 11 | align=left | align=left |  | 10:36.43 | |||
| align=left | align=left |  | DQ | IAAF rule 32.2 |
13 July
| Rank | Name | Nationality | Time | Notes | ||||
|---|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 10:09.83 | Q | |||
| 2 | align=left | align=left | | 10:10.66 | Q | |||
| 3 | align=left | align=left | | 10:13.30 | q | |||
| 4 | align=left | align=left | | 10:26.89 | q | |||
| 5 | align=left | align=left |  | 10:32.96 | ||||
| 6 | align=left | align=left |  | 10:58.76 | ||||
| 7 | align=left | align=left |  | 11:02.86 | ||||
| 8 | align=left | align=left |  | 11:07.80 | ||||
| 9 | align=left | align=left | 11:11.60 | |||||
| 10 | align=left | align=left |  | 11:15.20 | ||||
| 11 | align=left | align=left |  | 11:20.31 | ||||
| 12 | align=left | align=left |  | 11:53.30 | ||||
| 13 | align=left | align=left |  | 12:13.28 | ||||
| align=left | align=left |  | DNF | |||||
| align=left | align=left | | bgcolor=pink | DQ | IAAF rule 32.2 Q |
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 10:13.25 | Q | ||
| 2 | align=left | align=left | | 10:26.16 | Q | ||
| 3 | align=left | align=left | | 10:31.25 | Q | ||
| 4 | align=left | align=left | | 10:35.22 | |||
| 5 | align=left | align=left | | 10:41.24 | |||
| 6 | align=left | align=left | | 10:50.03 | |||
| 7 | align=left | align=left |  | 10:52.46 | |||
| 8 | align=left | align=left | 10:52.67 | ||||
| 9 | align=left | align=left | | 10:54.17 | |||
| 10 | align=left | align=left | 10:56.53 | ||||
| 11 | align=left | align=left | | 11:12.64 | |||
| 12 | align=left | align=left | | 11:12.68 | |||
| 13 | align=left | align=left |  | 11:21.11 | |||
| 14 | align=left | align=left | 11:44.70 | ||||
| 15 | align=left | align=left |  | 11:54.72 |
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 10:16.70 | Q | ||
| 2 | align=left | align=left | 10:18.26 | Q | |||
| 3 | align=left | align=left | 10:19.52 | Q | |||
| 4 | align=left | align=left | | 10:27.44 | q | ||
| 5 | align=left | align=left |  | 10:28.52 | |||
| 6 | align=left | align=left | 10:38.77 | ||||
| 7 | align=left | align=left | | 10:52.90 | |||
| 8 | align=left | align=left |  | 10:59.34 | |||
| 9 | align=left | align=left | | 11:01.09 | |||
| 10 | align=left | align=left | | 11:05.55 | |||
| 11 | align=left | align=left | | 11:10.36 | |||
| 12 | align=left | align=left | 11:13.05 | ||||
| 13 | align=left | align=left | | 11:16.25 | |||
| 14 | align=left | align=left | | 11:22.31 | |||
| 15 | align=left | align=left | 12:03.62 |
According to an unofficial count, 45 athletes from 28 countries participated in the event.