| Event: | Women's 100 metre butterfly |
| Competition: | 2019 African Games |
| Venue: | Mohammed V Sports Complex – Olympic Pool |
| Dates: | 23 August (heats and final) |
| Competitors: | 15 |
| Nations: | 10 |
| Win Value: | 58.79 |
| Gold: | Farida Osman |
| Gold Nation: | EGY |
| Silver: | Erin Gallagher |
| Silver Nation: | RSA |
| Bronze: | Felicity Passon |
| Bronze Nation: | SEY |
| Prev: | 2015 |
| Next: | 2023 |
The Women'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 | Sarah Sjöström | 55.48 | Rio de Janeiro | 7 August 2016 | ||
| African record | Erin Gallagher | 57.67 | Durban | 10 April 2019 | ||
| Games record | Farida Osman | 58.83 | Brazzaville | 9 September 2015 |
The following new records were set during this competition.
The heats were started on 23 August at 10:35.
| Rank | Heat | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 4 | Farida Osman | 1:01.11 | Q | ||
| 2 | 2 | 4 | Erin Gallagher | 1:01.13 | Q | ||
| 3 | 2 | 5 | Felicity Passon | 1:01.79 | Q | ||
| 4 | 2 | 3 | Emily Muteti | 1:03.16 | Q | ||
| 5 | 1 | 5 | Emma Chelius | 1:03.46 | Q | ||
| 6 | 1 | 3 | Logaine Abdelatif | 1:04.23 | Q | ||
| 7 | 2 | 7 | Imara-Bella Thorpe | 1:05.08 | Q | ||
| 8 | 2 | 6 | Lia Lima | 1:05.11 | Q | ||
| 9 | 1 | 6 | Rebecca Ssengonzi | 1:05.16 | NR | ||
| 10 | 1 | 2 | Lina Khiyara | 1:06.22 | |||
| 11 | 2 | 2 | Robyn Lee | 1:06.71 | |||
| 12 | 1 | 7 | Nomvulo Mjimba | 1:08.45 | |||
| 13 | 2 | 1 | Caitlin Loo | 1:11.04 | |||
| 14 | 1 | 1 | Rahel Gebresilassie | 1:24.23 | |||
| 15 | 2 | 8 | Berhane Amare | 1:26.68 |
The final was started on 23 August at 17:00.
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 4 | 58.79 | GR | ||||
| 5 | 59.34 | |||||
| 3 | ||||||
| 4 | 2 | |||||
| 5 | 6 | |||||
| 6 | 7 | |||||
| 7 | 8 | |||||
| 8 | 1 |