The women's 5000 metres walk event at the 1988 World Junior Championships in Athletics was held in Sudbury, Ontario, Canada, at Laurentian University Stadium on 31 July.
| Gold | Mari Cruz Díaz | |
| Silver | Olga Sánchez | |
| Bronze | Maria Grazia Orsani |
31 July
| Rank | Name | Nationality | Time | Notes | |||
|---|---|---|---|---|---|---|---|
| align=left | align=left | | 21:51.31 | ||||
| align=left | align=left | | 21:58.17 | ||||
| align=left | align=left | | 22:04.74 | ||||
| 4 | align=left | align=left | | 22:36.47 | |||
| 5 | align=left | align=left |  | 22:38.33 | |||
| 6 | align=left | align=left |  | 22:39.25 | |||
| 7 | align=left | align=left |  | 22:44.82 | |||
| 8 | align=left | align=left | 23:00.82 | ||||
| 9 | align=left | align=left |  | 23:39.85 | |||
| 10 | align=left | align=left |  | 24:32.25 | |||
| 11 | align=left | align=left | 24:37.42 | ||||
| 12 | align=left | align=left |  | 24:40.14 | |||
| 13 | align=left | align=left |  | 24:45.91 | |||
| 14 | align=left | align=left |  | 24:51.54 | |||
| 15 | align=left | align=left | | 25:07.65 | |||
| 16 | align=left | align=left | | 25:09.73 | |||
| 17 | align=left | align=left |  | 25:11.55 | |||
| 18 | align=left | align=left |  | 26:11.14 | |||
| 19 | align=left | align=left | | 26:29.59 | |||
| 20 | align=left | align=left | | 26:34.44 | |||
| 21 | align=left | align=left |  | 26:49.30 | |||
| 22 | align=left | align=left |  | 28:01.52 | |||
| 23 | align=left | align=left | 29:25.04 | ||||
| align=left | align=left | DQ | |||||
| align=left | align=left |  | DNF | ||||
| align=left | align=left | | DNF |
According to an unofficial count, 26 athletes from 18 countries participated in the event.