The men's 10,000 metres event at the 2004 World Junior Championships in Athletics was held in Grosseto, Italy, at Stadio Olimpico Carlo Zecchini on 14 July.
| Gold | Boniface Kiprop | |
| Silver | Fabiano Joseph | |
| Bronze | Ryuji Ono |
14 July
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| align=left | align=left | | 28:03.77 | ||||
| align=left | align=left | 28:04.45 | |||||
| align=left | align=left | | 28:30.45 | ||||
| 4 | align=left | align=left |  | 28:36.50 | |||
| 5 | align=left | align=left |  | 28:46.99 | |||
| 6 | align=left | align=left | | 28:53.75 | |||
| 7 | align=left | align=left | | 29:02.03 | |||
| 8 | align=left | align=left |  | 29:03.73 | |||
| 9 | align=left | align=left |  | 29:25.77 | |||
| 10 | align=left | align=left | | 29:32.48 | |||
| 11 | align=left | align=left |  | 29:34.31 | |||
| 12 | align=left | align=left | | 29:35.41 | |||
| 13 | align=left | align=left | | 29:37.55 | |||
| 14 | align=left | align=left | | 30:12.85 | |||
| 15 | align=left | align=left |  | 30:26.69 | |||
| 16 | align=left | align=left |  | 30:28.05 | |||
| 17 | align=left | align=left |  | 30:43.53 | |||
| 18 | align=left | align=left |  | 31:12.73 | |||
| 19 | align=left | align=left |  | 31:45.99 | |||
| 20 | align=left | align=left |  | 32:15.44 | |||
| align=left | align=left |  | DNF | ||||
| align=left | align=left | | DNF | ||||
| align=left | align=left |  | DNF | ||||
| align=left | align=left | | DNF | ||||
| align=left | align=left | DNF |
According to an unofficial count, 25 athletes from 17 countries participated in the event.