# Swimming at the 2022 World Aquatics Championships – Women's 100 metre backstroke

The Women's 100 metre backstroke competition at the 2022 World Aquatics Championships was held on 19 and 20 June 2022.

## Records

Prior to the competition, the existing world and championship records were as follows.
| World record | Kaylee McKeown (AUS) | 57.45 | Adelaide, Australia | 13 June 2021 |
| Competition record | Regan Smith (USA) | 57.57 | Gwangju, South Korea | 28 July 2019 |

## Results
### Heats

The heats were started on 19 June at 09:00.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 3 | 4 | Regan Smith | United States | 58.31 | Q |
| 2 | 4 | 4 | Kylie Masse | Canada | 58.89 | Q |
| 3 | 5 | 5 | Claire Curzan | United States | 59.09 | Q |
| 4 | 5 | 6 | Wan Letian | China | 59.67 | Q |
| 5 | 4 | 5 | Kira Toussaint | Netherlands | 59.69 | Q |
| 6 | 4 | 6 | Emma Terebo | France | 59.87 | Q |
| 7 | 5 | 3 | Peng Xuwei | China | 59.93 | Q |
| 8 | 4 | 2 | Medi Harris | Great Britain | 1:00.03 | Q |
| 9 | 3 | 5 | Margherita Panziera | Italy | 1:00.40 | Q |
| 10 | 3 | 3 | Maaike de Waard | Netherlands | 1:00.46 | Q |
| 11 | 5 | 1 | Silvia Scalia | Italy | 1:00.77 | Q |
| 12 | 5 | 7 | Lee Eun-ji | South Korea | 1:00.78 | Q |
| 13 | 3 | 6 | Paulina Peda | Poland | 1:00.83 | Q |
| 14 | 4 | 0 | Hanna Rosvall | Sweden | 1:00.99 | Q |
| 15 | 3 | 7 | Mimosa Jallow | Finland | 1:01.01 | Q |
| 16 | 5 | 2 | Analia Pigrée | France | 1:01.13 | Q |
| 17 | 4 | 3 | Taylor Ruck | Canada | 1:01.14 | |
| 18 | 4 | 7 | Simona Kubová | Czech Republic | 1:01.19 | |
| 19 | 3 | 2 | Katalin Burián | Hungary | 1:01.26 | |
| 20 | 5 | 8 | Theodora Drakou | Greece | 1:01.59 | |
| 21 | 3 | 1 | Stephanie Au | Hong Kong | 1:01.62 | |
| 22 | 4 | 8 | Aviv Barzelay | Israel | 1:01.65 | |
| 23 | 3 | 8 | Andrea Berrino | Argentina | 1:02.13 | |
| 24 | 4 | 1 | Gabriela Georgieva | Bulgaria | 1:02.86 | |
| 25 | 5 | 9 | Olivia Nel | South Africa | 1:02.95 | |
| 26 | 2 | 4 | Jimena Leguizamón | Colombia | 1:03.16 | |
| 27 | 2 | 5 | Danielle Titus | Barbados | 1:03.79 | |
| 28 | 3 | 0 | Xenia Ignatova | Kazakhstan | 1:03.92 | |
| 29 | 5 | 0 | Aleksa Gold | Estonia | 1:03.95 | |
| 30 | 2 | 1 | Mia Blaževska Eminova | North Macedonia | 1:04.11 | NR |
| 31 | 2 | 3 | Elizabeth Jiménez | Dominican Republic | 1:04.15 | |
| 32 | 2 | 8 | Andrea Becali | Cuba | 1:04.72 | |
| 33 | 3 | 9 | Donata Katai | Zimbabwe | 1:04.80 | |
| 34 | 2 | 2 | Carolina Cermelli | Panama | 1:05.16 | |
| 35 | 2 | 6 | Ridima Veerendrakumar | India | 1:05.41 | |
| 36 | 4 | 9 | Hsu An | Chinese Taipei | 1:05.50 | |
| 37 | 2 | 7 | Masniari Wolf | Indonesia | 1:06.70 | |
| 38 | 1 | 6 | Noor Taha | Bahrain | 1:09.28 | |
| 39 | 1 | 4 | Enkh-Amgalangiin Ariuntamir | Mongolia | 1:10.31 | |
| 40 | 2 | 0 | Jamie Joachim | Saint Vincent and the Grenadines | 1:12.76 | |
| 41 | 1 | 3 | Aynura Primova | Turkmenistan | 1:13.05 | |
| 42 | 2 | 9 | Jennifer Harding-Marlin | Saint Kitts and Nevis | 1:16.28 | |
| 43 | 1 | 5 | Aishath Sausan | Maldives | 1:18.76 | |
| | 5 | 4 | Kaylee McKeown | Australia | Did not start | Did not start |

### Semifinals

The semifinals were started on 19 June at 18:56.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 2 | 4 | Regan Smith | United States | 57.65 | Q |
| 2 | 1 | 4 | Kylie Masse | Canada | 58.57 | Q |
| 3 | 2 | 5 | Claire Curzan | United States | 58.96 | Q |
| 4 | 2 | 3 | Kira Toussaint | Netherlands | 59.16 | Q |
| 5 | 1 | 6 | Medi Harris | Great Britain | 59.61 | Q |
| 6 | 1 | 5 | Wan Letian | China | 59.63 | Q |
| 7 | 2 | 6 | Peng Xuwei | China | 59.96 | Q |
| 8 | 1 | 3 | Emma Terebo | France | 1:00.06 | Q |
| 9 | 1 | 2 | Maaike de Waard | Netherlands | 1:00.15 | |
| 10 | 2 | 2 | Margherita Panziera | Italy | 1:00.26 | |
| 11 | 1 | 7 | Lee Eun-ji | South Korea | 1:00.58 | |
| 11 | 2 | 7 | Silvia Scalia | Italy | 1:00.58 | |
| 13 | 2 | 8 | Mimosa Jallow | Finland | 1:00.68 | |
| 14 | 1 | 1 | Hanna Rosvall | Sweden | 1:00.76 | |
| 15 | 2 | 1 | Paulina Peda | Poland | 1:00.88 | |
| 16 | 1 | 8 | Analia Pigrée | France | 1:01.59 | |

### Final

The final was held on 20 June at 18:51.
| Rank | Lane | Name | Nationality | Time |
| | 4 | Regan Smith | United States | 58.22 |
| | 5 | Kylie Masse | Canada | 58.40 |
| | 3 | Claire Curzan | United States | 58.67 |
| 4 | 7 | Wan Letian | China | 59.77 |
| 5 | 8 | Emma Terebo | France | 59.98 |
| 6 | 6 | Kira Toussaint | Netherlands | 59.99 |
| 7 | 1 | Peng Xuwei | China | 1:00.01 |
| 7 | 2 | Medi Harris | Great Britain | 1:00.01 |