The women's 1500 metres event at the 1990 World Junior Championships in Athletics was held in Plovdiv, Bulgaria, at Deveti Septemvri Stadium on 11 and 12 August.[1]
| Gold | Qu Yunxia | |
| Silver | Claudia Mirela Bortoi | |
| Bronze | Malin Ewerlöf |
12 August
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| align=left | align=left | | 4:13.67 | ||||
| align=left | align=left | | 4:14.19 | ||||
| align=left | align=left | | 4:14.61 | ||||
| 4 | align=left | align=left | 4:15.29 | ||||
| 5 | align=left | align=left | | 4:17.81 | |||
| 6 | align=left | align=left |  | 4:18.04 | |||
| 7 | align=left | align=left | 4:18.10 | ||||
| 8 | align=left | align=left |  | 4:19.23 | |||
| 9 | align=left | align=left | 4:19.90 | ||||
| 10 | align=left | align=left | 4:20.92 | ||||
| 11 | align=left | align=left |  | 4:22.08 | |||
| 12 | align=left | align=left |  | 4:22.89 | |||
| 13 | align=left | align=left | 4:28.80 | ||||
| 14 | align=left | align=left |  | 4:31.50 | |||
| 15 | align=left | align=left |  | 4:34.72 |
11 August
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 4:22.53 | Q | ||
| 2 | align=left | align=left | | 4:22.60 | Q | ||
| 3 | align=left | align=left | 4:23.27 | Q | |||
| 4 | align=left | align=left | | 4:23.66 | Q | ||
| 5 | align=left | align=left | | 4:23.89 | q | ||
| 6 | align=left | align=left | 4:24.36 | ||||
| 7 | align=left | align=left | 4:24.72 | ||||
| 8 | align=left | align=left | 4:25.24 | ||||
| 9 | align=left | align=left |  | 4:31.23 | |||
| 10 | align=left | align=left |  | 4:46.03 | |||
| 11 | align=left | align=left |  | 5:02.16 |
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 4:22.15 | Q | ||
| 2 | align=left | align=left | | 4:22.44 | Q | ||
| 3 | align=left | align=left | 4:22.50 | Q | |||
| 4 | align=left | align=left | 4:22.82 | Q | |||
| 5 | align=left | align=left | | 4:23.96 | q | ||
| 6 | align=left | align=left | | 4:24.19 | q | ||
| 7 | align=left | align=left |  | 4:27.15 | |||
| 8 | align=left | align=left | | 4:31.00 | |||
| 9 | align=left | align=left | 4:49.89 |
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | 4:25.98 | Q | |||
| 2 | align=left | align=left | | 4:26.01 | Q | ||
| 3 | align=left | align=left | 4:26.29 | Q | |||
| 4 | align=left | align=left | | 4:27.28 | Q | ||
| 5 | align=left | align=left | | 4:27.30 | |||
| 6 | align=left | align=left | 4:27.35 | ||||
| 7 | align=left | align=left | | 4:29.39 | |||
| 8 | align=left | align=left |  | 4:29.60 | |||
| 9 | align=left | align=left |  | 4:29.66 | |||
| 10 | align=left | align=left | 4:30.89 | ||||
| 11 | align=left | align=left | 4:54.22 |
According to an unofficial count, 31 athletes from 22 countries participated in the event.