The women's 1500 metres event at the 2010 World Junior Championships in Athletics was held in Moncton, New Brunswick, Canada, at Moncton Stadium on 23 and 25 July.
| Gold | Tizita Bogale | |
| Silver | Ciara Mageean | |
| Bronze | Nancy Chepkwemoi |
25 July
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| align=left | align=left | | 4:08.06 | ||||
| align=left | align=left | | 4:09.51 | ||||
| align=left | align=left | | 4:11.04 | ||||
| 4 | align=left | align=left |  | 4:13.95 | |||
| 5 | align=left | align=left |  | 4:14.27 | |||
| 6 | align=left | align=left | 4:14.31 | ||||
| 7 | align=left | align=left | | 4:18.50 | |||
| 8 | align=left | align=left |  | 4:19.03 | |||
| 9 | align=left | align=left |  | 4:22.39 | |||
| 10 | align=left | align=left |  | 4:23.90 | |||
| 11 | align=left | align=left |  | 4:27.75 | |||
| 12 | align=left | align=left | | 4:30.02 |
23 July
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 4:12.95 | Q | ||
| 2 | align=left | align=left | | 4:12.98 | Q | ||
| 3 | align=left | align=left | | 4:13.00 | Q | ||
| 4 | align=left | align=left | | 4:14.05 | q | ||
| 5 | align=left | align=left | | 4:18.90 | q | ||
| 6 | align=left | align=left |  | 4:19.20 | |||
| 7 | align=left | align=left | | 4:20.99 | |||
| 8 | align=left | align=left |  | 4:22.14 | |||
| 9 | align=left | align=left | 4:25.54 | ||||
| 10 | align=left | align=left |  | 4:25.85 | |||
| align=left | align=left | DNF |
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 4:16.73 | Q | ||
| 2 | align=left | align=left | | 4:16.74 | Q | ||
| 3 | align=left | align=left | | 4:16.94 | Q | ||
| 4 | align=left | align=left | | 4:19.08 | |||
| 5 | align=left | align=left | | 4:19.71 | |||
| 6 | align=left | align=left |  | 4:19.72 | |||
| 7 | align=left | align=left |  | 4:21.83 | |||
| 8 | align=left | align=left | 4:22.08 | ||||
| 9 | align=left | align=left | 4:23.56 | ||||
| 10 | align=left | align=left |  | 4:31.13 | |||
| 11 | align=left | align=left | 4:43.44 |
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| 1 | align=left | align=left | | 4:11.42 | Q | ||
| 2 | align=left | align=left | | 4:13.46 | Q | ||
| 3 | align=left | align=left | 4:17.11 | Q | |||
| 4 | align=left | align=left | | 4:18.55 | q | ||
| 5 | align=left | align=left |  | 4:19.37 | |||
| 6 | align=left | align=left |  | 4:22.07 | |||
| 7 | align=left | align=left |  | 4:23.51 | |||
| 8 | align=left | align=left |  | 4:24.42 | |||
| 9 | align=left | align=left |  | 4:30.53 | |||
| 10 | align=left | align=left |  | 4:31.30 | |||
| 11 | align=left | align=left |  | 5:16.29 | |||
| align=left | align=left | DNF |
According to an unofficial count, 34 athletes from 27 countries participated in the event.