2018 African Championships in Athletics – Men's 800 metres
The men's 800 metres event at the 2018 African Championships in Athletics was held on 2 and 3 August in Asaba, Nigeria.
Medalists
Results
Heats
Qualification: First 2 of each heat and the next 2 fastest qualified for the final.| Rank | Heat | Name | Nationality | Time | Notes |
| 1 | 3 | Jonathan Kitilit | 1:46.55 | Q | |
| 2 | 2 | Emmanuel Korir | 1:46.92 | Q | |
| 3 | 3 | Antoine Gakeme | 1:46.99 | Q | |
| 4 | 3 | Edose Ibadin | 1:47.28 | q | |
| 5 | 2 | Nijel Amos | 1:47.41 | Q | |
| 6 | 3 | Riadh Chninni | 1:47.66 | q | |
| 7 | 2 | Adisu Girma | 1:47.79 | ||
| 8 | 3 | Tadese Lemi | 1:47.83 | ||
| 9 | 3 | Tshepo Tshite | 1:48.17 | ||
| 10 | 1 | Ferguson Rotich | 1:48.19 | Q | |
| 11 | 1 | Mostafa Smaili | 1:48.42 | Q | |
| 12 | 1 | Ahmed Hasan | 1:48.46 | ||
| 13 | 1 | Rashid Etiau | 1:48.48 | ||
| 14 | 2 | Yassine Hethat | 1:48.59 | ||
| 15 | 1 | Kabelo Mohlosi | 1:48.60 | ||
| 16 | 1 | Mohamed Belbachir | 1:48.71 | ||
| 17 | 3 | Geofrey Rutto | 1:48.78 | ||
| 18 | 1 | Nyasha Mutsetse | 1:49.40 | ||
| 19 | 3 | Semere Medhanie | 1:49.66 | ||
| 20 | 3 | Donald Nyamjua | 1:49.91 | ||
| 21 | 3 | Boitumelo Masilo | 1:49.97 | ||
| 22 | 2 | Jerry Motsau | 1:50.30 | ||
| 23 | 1 | Kevin Bonbado | 1:50.80 | ||
| 24 | 2 | Benjamin Manuel Enzema | 1:50.91 | ||
| 25 | 1 | Djibril Ndar Fall | 1:51.36 | ||
| 26 | 2 | Santino Kenyi Oreng | 1:51.56 | ||
| 27 | 3 | Moussa Zaroumeye | 1:52.18 | ||
| 28 | 2 | Hassan Mohammed Hassan Adam | 1:52.73 | ||
| 29 | 2 | Prosper Niyonkuru | 1:52.83 | ||
| 30 | 2 | Idow Ali | 1:53.01 | ||
| 31 | 1 | Yiech Pur Biel | ART | 1:53.20 | |
| 32 | 3 | Joseph Elia Ernesto | ART | 1:55.20 | |
| 33 | 1 | Adam Fadlelah Abdelwahab | 1:55.65 | ||
| 34 | 2 | James Chiengjiek | ART | 1:58.69 | |
| 2 | Hamada Mohamed |