| Event: | Men's 100 metre butterfly |
| Competition: | 2019 African Games |
| Venue: | Mohammed V Sports Complex – Olympic Pool |
| Dates: | 23 August (heats and final) |
| Competitors: | 29 |
| Nations: | 20 |
| Win Value: | 53.70 |
| Gold: | Ryan Coetzee |
| Gold Nation: | RSA |
| Silver: | Alard Basson |
| Silver Nation: | RSA |
| Bronze: | Yusuf Tibazi |
| Bronze Nation: | MAR |
| Prev: | 2015 |
| Next: | 2023 |
The Men's 100 metre butterfly competition of the 2019 African Games was held on 23 August 2019.[1]
Prior to the competition, the existing world and championship records were as follows.
| Name | Nation | Time | Location | Date | ||
|---|---|---|---|---|---|---|
| World record | Caeleb Dressel | 49.50 | Gwangju | 26 July 2019 | ||
| African record | Chad le Clos | 50.56 | Kazan | 8 August 2015 | ||
| Games record | Chad le Clos | 51.24 | Brazzaville | 7 September 2015 |
The heats were started on 23 August at 10:45.
| Rank | Heat | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|---|
| 1 | 4 | 3 | Jaouad Syoud | 54.39 | Q | ||
| 2 | 2 | 2 | Phillip Adejumo | 54.56 | Q NR | ||
| 3 | 4 | 6 | Alard Basson | 54.57 | Q | ||
| 3 | 2 | 4 | Mohamed Samy | 54.57 | Q | ||
| 5 | 3 | 4 | Ryan Coetzee | 54.77 | Q | ||
| 6 | 4 | 5 | Steven Aimable | 54.96 | Q | ||
| 7 | 2 | 3 | Ralph Goveia | 55.10 | Q | ||
| 8 | 2 | 5 | Yusuf Tibazi | 55.14 | Q | ||
| 9 | 3 | 3 | Abeiku Jackson | 55.20 | |||
| 10 | 3 | 5 | Khaled Morad | 55.25 | |||
| 11 | 2 | 6 | Samy Boutouil | 55.84 | |||
| 12 | 4 | 2 | Peter Wetzlar | 55.88 | |||
| 13 | 3 | 6 | Igor Mogne | 56.68 | |||
| 14 | 3 | 2 | Mathieu Bachmann | 57.34 | |||
| 15 | 4 | 7 | Niklas Yeboah | 57.36 | |||
| 16 | 3 | 1 | Daniel Francisco | 58.55 | |||
| 17 | 3 | 7 | Simon Bachmann | 58.57 | |||
| 18 | 4 | 1 | Ridhwan Mohamed | 58.73 | |||
| 19 | 4 | 4 | Andisiwe Tayali | 58.91 | |||
| 20 | 3 | 8 | Maaher Harunani | 58.96 | |||
| 21 | 2 | 1 | Xander Skinner | 59.09 | |||
| 22 | 1 | 4 | Adrian Robinson | 59.12 | |||
| 23 | 1 | 3 | Atuhaire Ambala | 59.16 | NR | ||
| 24 | 2 | 7 | Daniel Christian | 59.99 | |||
| 25 | 4 | 8 | Belly-Crésus Ganira | ||||
| 26 | 2 | 8 | Ousmane Touré | ||||
| 27 | 1 | 5 | Billy-Scott Irakose | ||||
| 28 | 1 | 6 | Ethan Fischer | ||||
| 29 | 1 | 2 | Shala Gekabel |
The final was started on 23 August at 17:00.
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 2 | 53.70 | |||||
| 3 | 53.88 | |||||
| 8 | 53.89 | NR | ||||
| 4 | 4 | 53.95 | ||||
| 5 | 5 | 54.20 | NR | |||
| 6 | 6 | 54.50 | ||||
| 7 | 7 | 55.03 | ||||
| 8 | 1 | 55.50 |