The men's 1500 metres event at the 1998 World Junior Championships in Athletics was held in Annecy, France, at Parc des Sports on 31 July and 2 August.
| Gold | Adil Kaouch | |
| Silver | Benjamin Kipkurui | |
| Bronze | Robert Witt |
2 August
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| align=left | align=left | | 3:42.43 | ||||
| align=left | align=left | | 3:42.67 | ||||
| align=left | align=left | | 3:43.47 | ||||
| 4 | align=left | align=left |  | 3:43.62 | |||
| 5 | align=left | align=left |  | 3:43.94 | |||
| 6 | align=left | align=left |  | 3:44.79 | |||
| 7 | align=left | align=left |  | 3:45.39 | |||
| 8 | align=left | align=left | | 3:45.42 | |||
| 9 | align=left | align=left | | 3:45.71 | |||
| 10 | align=left | align=left |  | 3:46.45 | |||
| 11 | align=left | align=left |  | 3:46.71 | |||
| 12 | align=left | align=left |  | 3:47.04 | |||
| 13 | align=left | align=left | 3:47.10 | ||||
| 14 | align=left | align=left |  | 3:51.80 |
31 July
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 3:47.76 | Q | ||
| 2 | align=left | align=left | | 3:48.27 | Q | ||
| 3 | align=left | align=left | | 3:49.64 | Q | ||
| 4 | align=left | align=left |  | 3:51.48 | |||
| 5 | align=left | align=left |  | 3:54.14 | |||
| 6 | align=left | align=left | 3:58.37 | ||||
| 7 | align=left | align=left | 3:58.53 | ||||
| 8 | align=left | align=left | 4:04.61 | q | |||
| 9 | align=left | align=left | 4:13.46 | ||||
| 10 | align=left | align=left | 4:40.80 | ||||
| align=left | align=left |  | DQ | IAAF rule 163.2 | |||
| align=left | align=left | | DQ | IAAF rule 163.2 |
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 3:50.89 | Q | ||
| 2 | align=left | align=left | | 3:52.17 | Q | ||
| 3 | align=left | align=left | | 3:52.26 | Q | ||
| 4 | align=left | align=left | | 3:52.57 | |||
| 5 | align=left | align=left | 3:53.46 | ||||
| 6 | align=left | align=left | 3:54.17 | ||||
| 7 | align=left | align=left | 3:55.09 | ||||
| 8 | align=left | align=left | 3:55.42 | ||||
| 9 | align=left | align=left | 3:56.03 | ||||
| 10 | align=left | align=left | 3:58.70 | ||||
| 11 | align=left | align=left | | 5:25.07 | q |
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 3:45.79 | Q | ||
| 2 | align=left | align=left | | 3:46.60 | Q | ||
| 3 | align=left | align=left | | 3:46.79 | Q | ||
| 4 | align=left | align=left | | 3:46.93 | q | ||
| 5 | align=left | align=left | | 3:49.51 | q | ||
| 6 | align=left | align=left | | 3:49.93 | q | ||
| 7 | align=left | align=left | | 3:50.04 | |||
| 8 | align=left | align=left | 3:52.10 | ||||
| 9 | align=left | align=left | | 3:53.89 | |||
| 10 | align=left | align=left | 3:59.13 | ||||
| 11 | align=left | align=left | 4:59.11 |
According to an unofficial count, 34 athletes from 26 countries participated in the event.