The men's 200 metres event at the 2018 African Championships in Athletics was held on 4 and 5 August in Asaba, Nigeria.[1]
| width=200 bgcolor=gold | Gold | width=200 bgcolor=silver | Silver | width=200 bgcolor=CC9966 | Bronze |
| Ncincihli Titi | Divine Oduduru | Luxolo Adams |
Qualification: First 3 of each heat (Q) and the next 3 fastest (q) qualified for the semifinals.
Wind:
Heat 1: +0.4 m/s, Heat 2: -0.4 m/s, Heat 3: -1.4 m/s, Heat 4: -1.2 m/s, Heat 5: -0.1 m/s, Heat 6: 0.0 m/s, Heat 7: +0.1 m/s
| Rank | Heat | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | 7 | 20.67 | Q | |||
| 2 | 2 | 20.72 | Q | |||
| 3 | 6 | 20.83 | Q | |||
| 4 | 6 | 20.87 | Q | |||
| 5 | 2 | 20.89 | Q | |||
| 6 | 5 | 20.98 | Q | |||
| 7 | 1 | 20.99 | Q | |||
| 8 | 1 | 21.03 | Q | |||
| 8 | 6 | 21.03 | Q | |||
| 10 | 5 | 21.10 | Q | |||
| 11 | 3 | 21.14 | Q | |||
| 12 | 7 | 21.21 | Q | |||
| 13 | 7 | 21.24 | Q | |||
| 14 | 5 | 21.27 | Q | |||
| 15 | 5 | 21.28 | q | |||
| 16 | 2 | 21.29 | Q | |||
| 17 | 5 | 21.30 | q | |||
| 18 | 7 | 21.36 | q | |||
| 19 | 2 | 21.38 | ||||
| 20 | 6 | 21.40 | ||||
| 21 | 5 | 21.42 | ||||
| 22 | 2 | 21.46 | ||||
| 22 | 3 | 21.46 | Q | |||
| 24 | 6 | 21.50 | ||||
| 25 | 4 | 21.55 | Q | |||
| 26 | 1 | 21.60 | Q | |||
| 27 | 2 | 21.64 | ||||
| 28 | 6 | 21.65 | ||||
| 29 | 6 | 21.67 | ||||
| 30 | 7 | 21.74 | ||||
| 31 | 1 | 21.76 | ||||
| 32 | 2 | 21.82 | ||||
| 32 | 6 | 21.82 | ||||
| 34 | 3 | 21.85 | Q | |||
| 35 | 7 | 21.92 | ||||
| 36 | 4 | 21.97 | Q | |||
| 37 | 1 | 22.01 | ||||
| 38 | 1 | 22.12 | ||||
| 39 | 4 | 22.25 | Q | |||
| 40 | 7 | 22.38 | ||||
| 41 | 7 | 22.65 | ||||
| 42 | 4 | 22.95 | ||||
| 43 | 3 | 23.27 | ||||
| 44 | 1 | 23.65 | ||||
| 45 | 4 | 23.88 | ||||
| 46 | 1 | 24.41 | ||||
| 3 | ||||||
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| 4 | ||||||
| 4 | ||||||
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| 7 |
Qualification: First 2 of each semifinal (Q) and the next 2 fastest (q) qualified for the final.
Wind:
Heat 1: +0.1 m/s, Heat 2: -0.3 m/s, Heat 3: +0.2 m/s
| Rank | Heat | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | 1 | 20.44 | Q | |||
| 2 | 2 | 20.57 | Q | |||
| 3 | 2 | 20.60 | Q | |||
| 4 | 2 | 20.65 | q | |||
| 5 | 2 | 20.67 | q | |||
| 6 | 1 | 20.74 | Q | |||
| 6 | 3 | 20.74 | Q | |||
| 8 | 3 | 20.86 | Q | |||
| 9 | 1 | 20.94 | ||||
| 10 | 1 | 21.04 | ||||
| 11 | 2 | 21.07 | ||||
| 12 | 3 | 21.13 | ||||
| 13 | 1 | 21.24 | ||||
| 14 | 2 | 21.29 | ||||
| 15 | 3 | 21.31 | ||||
| 16 | 2 | 21.36 | ||||
| 17 | 3 | 21.38 | ||||
| 18 | 1 | 21.54 | ||||
| 19 | 3 | 21.57 | ||||
| 20 | 1 | 21.74 | ||||
| 21 | 2 | 22.29 | ||||
| 1 | ||||||
| 3 | ||||||
| 3 |
Wind: ?
| Rank | Lane | Athlete | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 6 | 20.46 | |||||
| 4 | 20.60 | |||||
| 3 | 20.70 | |||||
| 4 | 7 | 20.70 | ||||
| 5 | 1 | 20.72 | ||||
| 6 | 5 | 20.79 | ||||
| 7 | 2 | 20.80 | ||||
| 8 | 8 | 20.91 |