# 2022 FINA World Swimming Championships (25 m) – Women's 100 metre backstroke

The Women's 100 metre backstroke competition of the 2022 FINA World Swimming Championships (25 m) was held on 13 and 14 December 2022.

## Records

Prior to the competition, the existing world and championship records were as follows.
| World record | Minna Atherton (AUS) | 54.89 | Budapest, Hungary | 26 November 2021 |
| Competition record | Katinka Hosszú (HUN) | 55.03 | Doha, Qatar | 4 December 2014 |

## Results
### Heats

The heats were started on 13 December at 11:28.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 6 | 4 | Louise Hansson | Sweden | 56.04 | Q |
| 2 | 6 | 5 | Ingrid Wilm | Canada | 56.15 | Q |
| 3 | 6 | 3 | Mollie O'Callaghan | Australia | 56.35 | Q |
| 4 | 5 | 7 | Hanna Rosvall | Sweden | 56.57 | Q |
| 5 | 4 | 4 | Kira Toussaint | Netherlands | 56.62 | Q |
| 6 | 4 | 3 | Simona Kubová | Czech Republic | 56.76 | Q |
| 7 | 4 | 8 | Isabelle Stadden | United States | 56.85 | Q |
| 8 | 4 | 2 | Pauline Mahieu | France | 56.88 | Q |
| 9 | 5 | 1 | Claire Curzan | United States | 56.90 | Q |
| 10 | 4 | 5 | Maaike de Waard | Netherlands | 57.01 | Q |
| 10 | 5 | 4 | Kylie Masse | Canada | 57.01 | Q |
| 12 | 5 | 5 | Kaylee McKeown | Australia | 57.11 | Q |
| 13 | 6 | 2 | Wan Letian | China | 57.49 | Q |
| 14 | 3 | 6 | Medi Harris | Great Britain | 57.51 | Q |
| 14 | 6 | 1 | Sayaka Akase | Japan | 57.51 | Q |
| 16 | 6 | 6 | Silvia Scalia | Italy | 57.54 | Q |
| 17 | 4 | 6 | Peng Xuwei | China | 57.67 | |
| 18 | 5 | 6 | Rio Shirai | Japan | 57.71 | |
| 19 | 6 | 7 | Margherita Panziera | Italy | 57.72 | |
| 20 | 4 | 7 | Adela Piskorska | Poland | 57.74 | |
| 21 | 3 | 8 | Kim San-ha | South Korea | 58.02 | NR |
| 22 | 5 | 8 | África Zamorano | Spain | 58.28 | |
| 23 | 5 | 2 | Ingeborg Løyning | Norway | 58.49 | |
| 24 | 5 | 3 | Analia Pigrée | France | 58.50 | |
| 25 | 3 | 5 | Hazel Ouwehand | New Zealand | 58.56 | |
| 26 | 2 | 6 | Miranda Grana | Mexico | 58.80 | |
| 27 | 3 | 3 | Andrea Berrino | Argentina | 58.85 | |
| 28 | 6 | 8 | Stephanie Au | Hong Kong | 59.05 | |
| 29 | 4 | 1 | Caroline Pilhatsch | Austria | 59.71 | |
| 30 | 3 | 2 | Gabriela Georgieva | Bulgaria | 59.84 | |
| 31 | 3 | 4 | Chloe Isleta | Philippines | 1:00.25 | |
| 32 | 2 | 8 | Abril Aunchayna | Uruguay | 1:01.07 | |
| 33 | 3 | 1 | Celina Márquez | El Salvador | 1:01.08 | |
| 34 | 2 | 5 | Tatiana Salcutan | Moldova | 1:01.16 | |
| 35 | 2 | 3 | Elizabeth Jiménez | Dominican Republic | 1:01.44 | |
| 36 | 3 | 7 | Milla Drakopoulos | South Africa | 1:01.52 | |
| 37 | 2 | 4 | Donata Katai | Zimbabwe | 1:01.85 | |
| 38 | 2 | 2 | Amani Al-Obaidli | Bahrain | 1:03.37 | |
| 39 | 2 | 7 | Anishta Teeluck | Mauritius | 1:03.44 | |
| 40 | 1 | 2 | Cheang Weng Lam | Macau | 1:04.74 | |
| 41 | 1 | 5 | Enkh-Amgalangiin Ariuntamir | Mongolia | 1:04.98 | NR |
| 42 | 1 | 4 | Salome Nikolaishvili | Georgia | 1:07.03 | |
| 43 | 1 | 1 | Idealy Tendrinavalona | Madagascar | 1:08.30 | |
| 44 | 1 | 6 | Naya Hughes | Botswana | 1:09.68 | |
| 45 | 1 | 3 | Aishath Sausan | Maldives | 1:14.05 | |
| 46 | 1 | 8 | Shoko Litulumar | Northern Mariana Islands | 1:14.72 | |
| 47 | 1 | 7 | Raya Young | Eswatini | 1:18.68 | |
| | 2 | 1 | Ganga Senavirathne | Sri Lanka | Did not start | Did not start |

### Semifinals

The semifinals were started on 13 December at 20:27.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 2 | 5 | Mollie O'Callaghan | Australia | 55.80 | Q |
| 2 | 1 | 4 | Ingrid Wilm | Canada | 55.92 | Q |
| 3 | 2 | 2 | Claire Curzan | United States | 56.08 | Q |
| 3 | 2 | 4 | Louise Hansson | Sweden | 56.08 | Q |
| 5 | 2 | 7 | Kylie Masse | Canada | 56.13 | Q |
| 6 | 1 | 7 | Kaylee McKeown | Australia | 56.35 | Q |
| 7 | 2 | 6 | Isabelle Stadden | United States | 56.45 | Q |
| 8 | 2 | 3 | Kira Toussaint | Netherlands | 56.54 | Q |
| 9 | 1 | 5 | Hanna Rosvall | Sweden | 56.59 | |
| 10 | 1 | 2 | Maaike de Waard | Netherlands | 56.78 | |
| 11 | 1 | 3 | Simona Kubová | Czech Republic | 56.80 | |
| 12 | 1 | 1 | Medi Harris | Great Britain | 57.40 | |
| 13 | 1 | 6 | Pauline Mahieu | France | 57.43 | |
| 14 | 2 | 1 | Wan Letian | China | 57.59 | |
| 15 | 2 | 8 | Sayaka Akase | Japan | 57.65 | |
| 16 | 1 | 8 | Silvia Scalia | Italy | 58.02 | |

### Final

The final was held on 14 December at 20:25.
| Rank | Lane | Name | Nationality | Time |
| | 7 | Kaylee McKeown | Australia | 55.49 |
| | 4 | Mollie O'Callaghan | Australia | 55.62 |
| | 3 | Claire Curzan | United States | 55.74 |
| | 5 | Ingrid Wilm | Canada | 55.74 |
| 5 | 6 | Louise Hansson | Sweden | 55.89 |
| 6 | 2 | Kylie Masse | Canada | 56.18 |
| 7 | 8 | Kira Toussaint | Netherlands | 56.41 |
| 8 | 1 | Isabelle Stadden | United States | 57.20 |