# Swimming at the 2024 World Aquatics Championships – Women's 50 metre butterfly

The Women's 50 metre butterfly competition at the 2024 World Aquatics Championships was held on 16 and 17 February 2024.

## Records

Prior to the competition, the existing world and championship records were as follows.
| World record | Sarah Sjöström (SWE) | 24.43 | Borås, Sweden | 5 July 2014 |
| Competition record | Sarah Sjöström (SWE) | 24.60 | Budapest, Hungary | 29 July 2017 |

## Results
### Heats

The heats were started on 16 February at 10:33.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 7 | 4 | Sarah Sjöström | Sweden | 24.88 | Q |
| 2 | 6 | 4 | Melanie Henique | France | 25.44 | Q |
| 3 | 6 | 5 | Erin Gallagher | South Africa | 25.69 | Q |
| 4 | 5 | 4 | Farida Osman | Egypt | 25.88 | Q |
| 5 | 7 | 6 | Alexandria Perkins | Australia | 25.89 | Q |
| 6 | 7 | 3 | Angelina Köhler | Germany | 25.92 | Q |
| 7 | 5 | 7 | Kim Busch | Netherlands | 25.93 | Q |
| 8 | 6 | 6 | Louise Hansson | Sweden | 25.98 | Q |
| 9 | 6 | 2 | Brianna Throssell | Australia | 26.04 | Q |
| 10 | 5 | 2 | Yu Yiting | China | 26.06 | Q |
| 11 | 6 | 3 | Neža Klančar | Slovenia | 26.07 | Q |
| 12 | 7 | 5 | Maaike de Waard | Netherlands | 26.13 | Q |
| 13 | 5 | 3 | Anna Ntountounaki | Greece | 26.26 | Q |
| 14 | 4 | 6 | Anastasiya Kuliashova | Neutral Independent Athletes | 26.32 | Q |
| 15 | 7 | 7 | Sofia Spodarenko | Kazakhstan | 26.38 | Q |
| 16 | 6 | 7 | Paulina Peda | Poland | 26.44 | |
| 17 | 5 | 6 | Roos Vanotterdijk | Belgium | 26.47 | |
| 17 | 7 | 2 | Katerine Savard | Canada | 26.47 | |
| 19 | 4 | 5 | Lismar Lyon | Venezuela | 26.57 | |
| 20 | 6 | 1 | Julia Maik | Poland | 26.75 | |
| 21 | 6 | 8 | Quah Ting Wen | Singapore | 26.78 | |
| 22 | 6 | 0 | Jenjira Srisaard | Thailand | 26.84 | |
| 22 | 7 | 1 | Sonia Laquintana | Italy | 26.84 | |
| 24 | 5 | 8 | Chiharu Iitsuka | Japan | 26.85 | |
| 25 | 4 | 2 | Emma Harvey | Bermuda | 26.88 | NR |
| 26 | 7 | 9 | Huang Mei-chien | Chinese Taipei | 27.07 | |
| 27 | 7 | 8 | Tam Hoi Lam | Hong Kong | 27.09 | |
| 28 | 7 | 0 | Tayde Sansores | Mexico | 27.18 | |
| 29 | 5 | 9 | Sirena Rowe | Colombia | 27.29 | |
| 30 | 4 | 3 | Jasmine Alkhaldi | Philippines | 27.32 | |
| 31 | 4 | 1 | Amel Melih | Algeria | 27.34 | |
| 32 | 5 | 0 | Jessica Calderbank | Jamaica | 27.47 | |
| 33 | 4 | 4 | Marina Spadoni | El Salvador | 27.64 | |
| 34 | 4 | 7 | Gabriela Ņikitina | Latvia | 27.87 | |
| 35 | 4 | 8 | Luana Alonso | Paraguay | 28.06 | |
| 36 | 4 | 0 | Jóhanna Elin Guðmundsdóttir | Iceland | 28.19 | |
| 37 | 4 | 9 | Imara Thorpe | Kenya | 28.34 | |
| 38 | 3 | 5 | Adaku Nwandu | Nigeria | 28.87 | |
| 39 | 3 | 6 | Cheang Weng Chi | Macau | 29.03 | |
| 40 | 3 | 3 | Victoria Russell | Bahamas | 29.16 | |
| 41 | 3 | 4 | Cherelle Thompson | Trinidad and Tobago | 29.58 | |
| 42 | 1 | 3 | Kirabo Namutebi | Uganda | 29.62 | |
| 43 | 2 | 2 | Mia Laban | Cook Islands | 30.08 | |
| 44 | 3 | 2 | Naekeisha Louis | Saint Lucia | 30.44 | |
| 45 | 3 | 1 | Ekaterina Bordachyova | Tajikistan | 30.65 | |
| 46 | 2 | 1 | Denise Donelli | Mozambique | 30.69 | |
| 47 | 3 | 7 | Mira Al-Shehhi | United Arab Emirates | 30.82 | |
| 48 | 3 | 8 | Taffi Illis | Sint Maarten | 31.37 | |
| 49 | 2 | 8 | Rana Saadeldin | Sudan | 32.03 | |
| 50 | 3 | 0 | Arleigha Hall | Turks and Caicos Islands | 32.94 | |
| 51 | 2 | 6 | Amylia Chali | Tanzania | 33.14 | |
| 52 | 2 | 5 | Galyah Mikel | Palau | 35.60 | |
| 53 | 3 | 9 | Jessica Makwenda | Malawi | 35.65 | |
| 54 | 1 | 4 | Grâce Nguelo'o | Cameroon | 35.96 | |
| 55 | 2 | 7 | Neema Nyirabyenda | Rwanda | 36.27 | |
| 56 | 2 | 4 | Lina Selo | Ethiopia | 36.34 | |
| 57 | 2 | 3 | Daknishael Sanon | Haiti | 36.94 | |
| | 5 | 1 | Tamara Potocká | Slovakia | Disqualified | Disqualified |
| | 1 | 5 | Hearmela Melke | Eritrea | Did not start | Did not start |
| | 2 | 0 | Yaba Kamara | Sierra Leone | Did not start | Did not start |
| | 5 | 5 | Claire Curzan | United States | Did not start | Did not start |
| | 6 | 9 | Barbora Seemanová | Czech Republic | Did not start | Did not start |

### Semifinals

The semifinals were held on 16 February at 20:17.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 2 | 4 | Sarah Sjöström | Sweden | 25.08 | Q |
| 2 | 1 | 4 | Melanie Henique | France | 25.27 | Q |
| 3 | 1 | 5 | Farida Osman | Egypt | 25.80 | Q |
| 4 | 1 | 2 | Yu Yiting | China | 25.81 | Q-->WD |
| 4 | 2 | 3 | Alexandria Perkins | Australia | 25.81 | Q |
| 6 | 2 | 5 | Erin Gallagher | South Africa | 25.86 | Q |
| 7 | 2 | 2 | Brianna Throssell | Australia | 25.97 | Q |
| 8 | 1 | 3 | Angelina Köhler | Germany | 25.98 | SO |
| 8 | 2 | 1 | Anna Ntountounaki | Greece | 25.98 | SO |
| 10 | 1 | 6 | Louise Hansson | Sweden | 26.01 | |
| 11 | 1 | 7 | Maaike de Waard | Netherlands | 26.05 | |
| 12 | 2 | 7 | Neža Klančar | Slovenia | 26.08 | |
| 13 | 2 | 6 | Kim Busch | Netherlands | 26.25 | |
| 14 | 1 | 8 | Paulina Peda | Poland | 26.44 | |
| 15 | 2 | 8 | Sofia Spodarenko | Kazakhstan | 26.46 | |
| 16 | 1 | 1 | Anastasiya Kuliashova | Neutral Independent Athletes | 26.57 | |

#### Swim-off

The swim-off was held on 16 February at 21:10.
| Rank | Lane | Name | Nationality | Time | Notes |
| 1 | 4 | Angelina Köhler | Germany | 25.79 | Q |
| 2 | 5 | Anna Ntountounaki | Greece | 25.97 | Q |

### Final

The final was held on 17 February at 19:02.
| Rank | Lane | Name | Nationality | Time |
| | 4 | Sarah Sjöström | Sweden | 24.63 |
| | 5 | Melanie Henique | France | 25.44 |
| | 3 | Farida Osman | Egypt | 25.67 |
| 4 | 7 | Erin Gallagher | South Africa | 25.69 |
| 5 | 8 | Angelina Köhler | Germany | 25.71 |
| 6 | 2 | Alexandria Perkins | Australia | 25.85 |
| 7 | 6 | Anna Ntountounaki | Greece | 25.89 |
| 8 | 1 | Brianna Throssell | Australia | 25.96 |