The women's 20 kilometres walk event at the 2004 African Championships in Athletics was held in Brazzaville, Republic of the Congo on July 15.
Results edit
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
 |
Grace Wanjiru |  Kenya |
1:42.45 | |
 |
Nicolene Cronje |  South Africa |
1:43.57 | |
 |
Bahia Boussad |  Algeria |
1:46.12 | |
| 4 | Dounia Kara-Hassoun | Algeria |
1:47.26 | |
| 5 | Yolène Raffin |  Mauritius |
1:50.49 | |
| 6 | Amsale Yakob |  Ethiopia |
1:55.10 | |
| 7 | Nagwa Ibrahim Saleh |  Egypt |
1:56.04 | |
| 8 | Fumilay da Fonseca |  São Tomé and Príncipe |
2:04.06 | |
| 9 | Jeanine Mandzila |  Republic of the Congo |
2:21.11 | |
| Nina Aline Tsiba | Republic of the Congo |
DNF |