# Swimming at the 2022 World Aquatics Championships – Women's 50 metre breaststroke

The Women's 50 metre breaststroke competition at the 2022 World Aquatics Championships was held on 24 and 25 June 2022.

## Records

Prior to the competition, the existing world and championship records were as follows.
| World record | Benedetta Pilato (ITA) | 29.30 | Budapest, Hungary | 22 May 2021 |
| Competition record | Lilly King (USA) | 29.40 | Budapest, Hungary | 30 July 2017 |

## Results
### Heats

The heats were started on 24 June at 09:38.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 5 | 4 | Lara van Niekerk | South Africa | 29.77 | Q |
| 2 | 6 | 4 | Benedetta Pilato | Italy | 29.80 | Q |
| 3 | 6 | 2 | Eneli Jefimova | Estonia | 30.08 | Q, NR |
| 4 | 5 | 1 | Anna Elendt | Germany | 30.12 | Q |
| 5 | 6 | 7 | Tang Qianting | China | 30.36 | Q |
| 6 | 5 | 3 | Jhennifer Conceição | Brazil | 30.53 | Q |
| 7 | 6 | 3 | Sophie Hansson | Sweden | 30.64 | Q |
| 8 | 5 | 2 | Veera Kivirinta | Finland | 30.66 | Q |
| 9 | 4 | 4 | Lilly King | United States | 30.70 | Q |
| 9 | 6 | 8 | Fleur Vermeiren | Belgium | 30.70 | Q |
| 11 | 5 | 6 | Rosey Metz | Netherlands | 30.71 | Q |
| 12 | 4 | 5 | Reona Aoki | Japan | 30.80 | Q |
| 13 | 4 | 3 | Anastasia Gorbenko | Israel | 30.82 | Q |
| 14 | 5 | 7 | Jenna Strauch | Australia | 30.93 | Q |
| 15 | 4 | 2 | Annie Lazor | United States | 30.99 | Q |
| 16 | 5 | 5 | Rūta Meilutytė | Lithuania | 31.02 | Q |
| 17 | 6 | 6 | Florine Gaspard | Belgium | 31.10 | |
| 18 | 4 | 0 | Rachel Nicol | Canada | 31.24 | |
| 19 | 4 | 1 | Anna Sztankovics | Hungary | 31.31 | |
| 20 | 5 | 8 | Macarena Ceballos | Argentina | 31.35 | |
| 21 | 6 | 0 | Anne Palmans | Netherlands | 31.37 | |
| 22 | 4 | 7 | Kotryna Teterevkova | Lithuania | 31.40 | |
| 23 | 4 | 8 | Tara Vovk | Slovenia | 31.61 | |
| 24 | 3 | 3 | Byanca Rodríguez | Mexico | 31.71 | |
| 25 | 3 | 5 | Adelaida Pchelintseva | Kazakhstan | 31.75 | |
| 26 | 6 | 1 | Maria Drasidou | Greece | 31.83 | |
| 27 | 5 | 0 | Jessica Vall | Spain | 31.92 | |
| 27 | 6 | 9 | Sim En Yi Letitia | Singapore | 31.92 | |
| 29 | 4 | 6 | Emelie Fast | Sweden | 31.94 | |
| 30 | 3 | 8 | Karina Vivas | Colombia | 32.07 | |
| 31 | 3 | 6 | Helena Gasson | New Zealand | 32.08 | |
| 32 | 3 | 2 | Lena Kreundl | Austria | 32.17 | |
| 33 | 3 | 4 | Diana Petkova | Bulgaria | 32.32 | |
| 34 | 4 | 9 | Meri Mataja | Croatia | 32.34 | |
| 35 | 5 | 9 | Jenjira Srisa-Ard | Thailand | 32.58 | |
| 36 | 3 | 7 | Lin Pei-wun | Chinese Taipei | 32.80 | |
| 37 | 3 | 1 | Lillian Higgs | Bahamas | 32.98 | |
| 38 | 2 | 3 | Imane El Barodi | Morocco | 32.99 | |
| 39 | 2 | 7 | Polyxeni Toumazou | Cyprus | 33.31 | |
| 40 | 2 | 4 | Tilka Paljk | Zambia | 33.64 | |
| 41 | 2 | 0 | Vorleak Sok | Cambodia | 33.84 | |
| 42 | 2 | 5 | Kirsten Fisher-Marsters | Cook Islands | 34.17 | |
| 43 | 2 | 6 | Micaela Sierra | Uruguay | 34.25 | |
| 44 | 2 | 2 | Claudia Verdino | Monaco | 34.49 | |
| 45 | 2 | 1 | Jayla Pina | Cape Verde | 34.97 | |
| 46 | 2 | 8 | Tessa Ip Hen Cheung | Mauritius | 35.04 | |
| 47 | 3 | 9 | Kirabo Namutebi | Uganda | 35.12 | |
| 48 | 2 | 9 | Maria Freitas | Angola | 35.80 | |
| 49 | 1 | 0 | Duana Lima | Nepal | 36.30 | |
| 50 | 1 | 4 | Lara Dashti | Kuwait | 37.77 | |
| 50 | 1 | 6 | Maria Batallones | Northern Mariana Islands | 37.77 | |
| 52 | 1 | 9 | Kestra Kihleng | Federated States of Micronesia | 38.97 | |
| 53 | 1 | 3 | Eunike Fugo | Tanzania | 42.26 | |
| 54 | 1 | 5 | Brhane Amare | Ethiopia | 44.30 | |
| | 1 | 7 | Rita Ekomba | Equatorial Guinea | Disqualified | Disqualified |
| | 6 | 5 | Arianna Castiglioni | Italy | Disqualified | Disqualified |
| | 1 | 1 | Iman Kouraogo | Burkina Faso | Did not start | Did not start |
| | 1 | 2 | Sainabou Sam | Gambia | Did not start | Did not start |
| | 1 | 8 | Stefan Sangala | Republic of the Congo | Did not start | Did not start |
| | 3 | 0 | Phee Jinq En | Malaysia | Did not start | Did not start |

### Semifinals

The semifinals were started on 24 June at 18:27.
| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 1 | 4 | Benedetta Pilato | Italy | 29.83 | Q |
| 2 | 1 | 8 | Rūta Meilutytė | Lithuania | 29.97 | Q |
| 3 | 2 | 4 | Lara van Niekerk | South Africa | 29.99 | Q |
| 4 | 2 | 3 | Tang Qianting | China | 30.10 | Q |
| 5 | 2 | 5 | Eneli Jefimova | Estonia | 30.24 | Q |
| 6 | 1 | 3 | Jhennifer Conceição | Brazil | 30.28 | Q, SA |
| 7 | 1 | 5 | Anna Elendt | Germany | 30.30 | Q |
| 8 | 2 | 2 | Lilly King | United States | 30.35 | Q |
| 9 | 2 | 1 | Anastasia Gorbenko | Israel | 30.54 | |
| 10 | 2 | 6 | Sophie Hansson | Sweden | 30.56 | |
| 11 | 1 | 7 | Reona Aoki | Japan | 30.71 | |
| 12 | 1 | 6 | Veera Kivirinta | Finland | 30.76 | |
| 13 | 2 | 8 | Annie Lazor | United States | 30.89 | |
| 14 | 2 | 7 | Rosey Metz | Netherlands | 30.94 | |
| 15 | 1 | 2 | Fleur Vermeiren | Belgium | 30.98 | |
| 16 | 1 | 1 | Jenna Strauch | Australia | 30.99 | |

### Final

The final was held on 25 June at 18:09.
| Rank | Lane | Name | Nationality | Time |
| | 5 | Rūta Meilutytė | Lithuania | 29.70 |
| | 4 | Benedetta Pilato | Italy | 29.80 |
| | 3 | Lara van Niekerk | South Africa | 29.90 |
| 4 | 6 | Tang Qianting | China | 30.21 |
| 5 | 1 | Anna Elendt | Germany | 30.22 |
| 6 | 2 | Eneli Jefimova | Estonia | 30.25 |
| 7 | 8 | Lilly King | United States | 30.40 |
| 8 | 7 | Jhennifer Conceição | Brazil | 30.45 |