# Swimming at the 2024 World Aquatics Championships – Women's 100 metre freestyle

The women's 100 metre freestyle competition at the 2024 World Aquatics Championships was held on 15 and 16 February 2024.

## Records

Prior to the competition, the existing world and championship records were as follows.
| World record | Sarah Sjöström (SWE) | 51.71 | Budapest, Hungary | 23 July 2017 |
| Competition record | Sarah Sjöström (SWE) | 51.71 | Budapest, Hungary | 23 July 2017 |

## Results
### Heats

The heats were started on 15 February at 09:32.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 7 | 4 | Shayna Jack | Australia | 53.50 | Q |
| 2 | 8 | 5 | Marrit Steenbergen | Netherlands | 53.66 | Q |
| 3 | 9 | 4 | Siobhán Haughey | Hong Kong | 53.70 | Q |
| 4 | 9 | 1 | Barbora Seemanová | Czech Republic | 53.97 | Q |
| 5 | 9 | 5 | Kate Douglass | United States | 54.12 | Q |
| 6 | 8 | 3 | Stephanie Balduccini | Brazil | 54.25 | Q |
| 7 | 7 | 7 | Kalia Antoniou | Cyprus | 54.49 | Q |
| 7 | 9 | 3 | Anna Hopkin | Great Britain | 54.49 | Q |
| 9 | 9 | 6 | Kornelia Fiedkiewicz | Poland | 54.58 | Q |
| 10 | 8 | 6 | Nagisa Ikemoto | Japan | 54.70 | Q |
| 11 | 7 | 5 | Michelle Coleman | Sweden | 54.72 | Q |
| 12 | 9 | 2 | Chiara Tarantino | Italy | 54.87 | Q |
| 13 | 7 | 2 | Kayla Sanchez | Philippines | 54.88 | Q |
| 14 | 8 | 7 | Charlotte Bonnet | France | 55.12 | Q |
| 15 | 7 | 3 | Ai Yanhan | China | 55.19 | Q-->WD |
| 16 | 8 | 1 | Nikolett Pádár | Hungary | 55.21 | Q-->WD |
| 17 | 8 | 8 | Maria Daza Garcia | Spain | 55.34 | Q |
| 18 | 7 | 6 | Erin Gallagher | South Africa | 55.36 | Q |
| 19 | 8 | 0 | Victoria Catterson | Ireland | 55.44 | |
| 20 | 9 | 8 | Jillian Crooks | Cayman Islands | 55.61 | |
| 21 | 7 | 1 | Daria Golovaty | Israel | 55.71 | |
| 22 | 7 | 8 | Quah Ting Wen | Singapore | 55.82 | |
| 23 | 8 | 9 | Lillian Slušná | Slovakia | 56.01 | |
| 24 | 9 | 0 | Elisbet Gámez | Cuba | 56.20 | |
| 25 | 9 | 7 | Smiltė Plytnykaitė | Lithuania | 56.34 | |
| 26 | 8 | 2 | Sarah Fournier | Canada | 56.39 | |
| 27 | 6 | 4 | Gloria Muzito | Uganda | 56.55 | |
| 28 | 6 | 3 | Carla Gonzalez | Venezuela | 56.68 | |
| 29 | 6 | 5 | Batbayaryn Enkhkhüslen | Mongolia | 56.88 | |
| 30 | 6 | 6 | McKenna DeBever | Peru | 56.93 | |
| 31 | 9 | 9 | Amel Melih | Algeria | 57.00 | |
| 32 | 6 | 2 | Beatriz Padrón | Costa Rica | 57.56 | |
| 33 | 6 | 7 | Emily Macdonald | Jamaica | 57.57 | |
| 34 | 5 | 4 | Maria Brunlehner | Kenya | 57.84 | |
| 35 | 5 | 5 | Adriana Giles | Bolivia | 58.53 | |
| 36 | 6 | 8 | Paige van der Westhuizen | Zimbabwe | 58.66 | |
| 37 | 5 | 2 | Rebecca Najem | Lebanon | 58.90 | |
| 38 | 5 | 6 | Ariana Dirkzwager | Laos | 59.16 | |
| 39 | 5 | 7 | Tilly Collymore | Grenada | 59.19 | |
| 40 | 2 | 0 | Saovanee Boonamphai | Thailand | 59.36 | |
| 41 | 6 | 1 | Dhinidhi Desinghu | India | 59.41 | |
| 42 | 6 | 9 | Ani Poghosyan | Armenia | 59.43 | |
| 43 | 5 | 0 | Aunjelique Liddie | Antigua and Barbuda | 59.78 | NR |
| 44 | 5 | 1 | Adaku Nwandu | Nigeria | 59.83 | |
| 45 | 5 | 8 | Hiruki De Silva | Sri Lanka | 59.85 | |
| 46 | 5 | 3 | Sara Pastrana | Honduras | 59.94 | |
| 47 | 1 | 2 | Mikaili Charlemagne | Saint Lucia | 1:00.05 | |
| 48 | 4 | 0 | María Fernández | Dominican Republic | 1:01.03 | |
| 49 | 4 | 6 | Riley Miller | U.S. Virgin Islands | 1:01.08 | |
| 50 | 4 | 5 | Mia Lee | Guam | 1:01.22 | |
| 51 | 3 | 3 | Arla Dermishi | Albania | 1:01.23 | |
| 52 | 4 | 8 | Jovana Kuljača | Montenegro | 1:01.36 | |
| 53 | 1 | 6 | Tessa Ip Hen Cheung | Mauritius | 1:01.60 | |
| 54 | 4 | 1 | Christina Rach | Eritrea | 1:01.64 | |
| 55 | 2 | 8 | Unilez Takyi | Ghana | 1:01.68 | |
| 56 | 4 | 2 | Jehanara Nabi | Pakistan | 1:01.76 | |
| 57 | 4 | 3 | Georgia-Leigh Vele | Papua New Guinea | 1:01.88 | |
| 57 | 5 | 9 | Ionnah Douillet | Benin | 1:01.88 | |
| 59 | 4 | 4 | Aleka Persaud | Guyana | 1:02.20 | |
| 60 | 7 | 9 | Gizem Güvenç | Turkey | 1:02.55 | |
| 61 | 2 | 1 | Zariel Nelson | Saint Vincent and the Grenadines | 1:02.56 | |
| 62 | 4 | 9 | Anastasiya Morginshtern | Turkmenistan | 1:02.63 | |
| 63 | 4 | 7 | Kaiya Brown | Samoa | 1:02.84 | |
| 64 | 1 | 3 | Noor Yussuf Abdulla | Bahrain | 1:03.22 | |
| 65 | 3 | 4 | Hayley Wong | Brunei | 1:03.49 | |
| 66 | 3 | 5 | Charissa Panuve | Tonga | 1:03.60 | |
| 67 | 1 | 4 | Angelina Smythe | Seychelles | 1:03.63 | |
| 68 | 1 | 7 | Mira Alshehhi | United Arab Emirates | 1:04.17 | |
| 69 | 3 | 6 | Kestra Kihleng | Micronesia | 1:04.93 | |
| 70 | 1 | 1 | Alicia Mateus | Mozambique | 1:05.53 | |
| 71 | 1 | 8 | Lois Irishura | Burundi | 1:05.78 | |
| 72 | 3 | 8 | Rana Saadeldin | Sudan | 1:05.94 | |
| 73 | 2 | 4 | Loane Russet | Vanuatu | 1:05.97 | |
| 74 | 2 | 9 | Aishath Shaig | Maldives | 1:06.27 | |
| 75 | 3 | 7 | Siwakhile Dlamini | Eswatini | 1:06.32 | |
| 76 | 3 | 2 | Tayamika Changanamuno | Malawi | 1:07.53 | |
| 77 | 3 | 1 | Jasmine Schofield | Dominica | 1:07.66 | |
| 78 | 3 | 9 | Yuri Hosei | Palau | 1:09.06 | |
| 79 | 3 | 0 | Kayla Hepler | Marshall Islands | 1:09.67 | |
| 80 | 2 | 5 | Iman Kouraogo | Burkina Faso | 1:12.41 | |
| 81 | 2 | 3 | Imelda Ximenes Belo | Timor-Leste | 1:15.56 | |
| 82 | 2 | 2 | Daknishael Sanon | Haiti | 1:17.09 | |
| 83 | 2 | 7 | Salima Ahmadou | Niger | 1:18.69 | |
| 84 | 1 | 5 | Aichata Diabate | Mali | 1:30.74 | |
| | 6 | 0 | María Schutzmeier | Nicaragua | Did not start | Did not start |
| | 7 | 0 | Katarina Milutinović | Serbia | Did not start | Did not start |
| | 8 | 4 | Sarah Sjöström | Sweden | Did not start | Did not start |
| | 2 | 6 | Adele Gaitou | Togo | Disqualified | Disqualified |

### Semifinals

The semifinals were held on 15 February at 19:11.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 1 | 4 | Marrit Steenbergen | Netherlands | 52.53 | Q, NR |
| 2 | 2 | 5 | Siobhán Haughey | Hong Kong | 52.92 | Q |
| 3 | 1 | 6 | Anna Hopkin | Great Britain | 53.12 | Q |
| 4 | 2 | 4 | Shayna Jack | Australia | 53.16 | Q |
| 5 | 2 | 3 | Kate Douglass | United States | 53.31 | Q |
| 6 | 1 | 5 | Barbora Seemanová | Czech Republic | 53.76 | Q |
| 7 | 2 | 2 | Kornelia Fiedkiewicz | Poland | 54.01 | Q, NR |
| 8 | 1 | 3 | Stephanie Balduccini | Brazil | 54.07 | Q |
| 9 | 2 | 7 | Michelle Coleman | Sweden | 54.25 | |
| 10 | 1 | 7 | Chiara Tarantino | Italy | 54.51 | |
| 11 | 1 | 8 | Erin Gallagher | South Africa | 54.53 | |
| 12 | 1 | 1 | Charlotte Bonnet | France | 54.72 | |
| 13 | 1 | 2 | Nagisa Ikemoto | Japan | 54.76 | |
| 14 | 2 | 6 | Kalia Antoniou | Cyprus | 55.04 | |
| 15 | 2 | 1 | Kayla Sanchez | Philippines | 55.07 | |
| 16 | 2 | 8 | Maria Daza Garcia | Spain | 55.49 | |

### Final

The final was held on 16 February at 19:02.
| Rank | Lane | Name | Nationality | Time | Notes |
| | 4 | Marrit Steenbergen | Netherlands | 52.26 | NR |
| | 5 | Siobhán Haughey | Hong Kong | 52.56 | |
| | 6 | Shayna Jack | Australia | 52.83 | |
| 4 | 2 | Kate Douglass | United States | 53.02 | |
| 5 | 3 | Anna Hopkin | Great Britain | 53.09 | |
| 6 | 8 | Stephanie Balduccini | Brazil | 54.05 | |
| 7 | 1 | Kornelia Fiedkiewicz | Poland | 54.06 | |
| 8 | 7 | Barbora Seemanová | Czech Republic | 54.64 | |