The men's 20 kilometres walk event at the 2004 African Championships in Athletics was held in Brazzaville, Republic of the Congo on July 16.
Results
edit| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
 | Julius Sawe |  Kenya | 1:27.43 | |
 | Hassanine Sebei |  Tunisia | 1:28.35 | |
 | Moussa Aouanouk |  Algeria | 1:29.02 | |
| 4 | Daniel Foudjem Ngano |  Cameroon | 1:33.34 | |
| 5 | Arezki Yahi | Algeria | 1:36.33 | |
| 6 | Ashenafi Merecho |  Ethiopia | 1:39.25 | |
| 7 | Kalamba Beya |  Democratic Republic of the Congo | 1:48.07 | |
| 8 | Gambne Mukwa | Democratic Republic of the Congo | 1:53.54 | |
| Andreas Limingui |  Republic of the Congo | DQ | ||
| Juvelane Ngueye | Republic of the Congo | DQ |