The women's 50 metre butterfly competition at the 2023 World Aquatics Championships was held on 28 and 29 July 2023.

Records Prior to the competition, the existing world and championship records were as follows.

Results Heats The heats were started on 28 July at 11:39.

Rank Heat Lane Name Nationality Time Notes 1 7 4 Sarah Sjöström 25.04 Q 2 7 5 Zhang Yufei 25.33 Q 3 7 3 Rikako Ikee 25.50 Q 4 5 4 Mélanie Henique 25.75 Q 5 5 5 Farida Osman 25.77 Q 6 6 4 Gretchen Walsh 25.78 Q 7 5 8 Neža Klančar 25.81 Q, NR 8 7 6 Ai Soma 25.96 Q 9 6 5 Torri Huske 25.98 Q 10 5 3 Angelina Köhler 26.02 Q 11 6 6 Sara Junevik 26.04 Q 12 5 6 Anna Ntountounaki 26.14 Q 13 6 3 Maaike de Waard 26.17 Q 14 7 2 Yu Yiting 26.21 Q 15 5 1 Kim Busch 26.23 Q 15 7 1 Katerine Savard 26.23 Q 17 7 8 Helena Gasson 26.29 18 6 7 Brianna Throssell 26.30 19 6 2 Margaret MacNeil 26.33 20 6 1 Julie Kepp Jensen 26.36 21 7 7 Emilie Beckmann 26.43 22 6 8 Celine Souza Bispo 26.55 22 7 0 Tamara Potocká 26.55 24 5 7 Vanessa Ouwehand 26.57 25 6 9 Quah Ting Wen 26.67 26 5 2 Paulina Peda 26.71 27 4 6 Huang Mei-chien 26.73 28 5 0 Jenjira Srisa-Ard 26.78 29 5 9 Tayde Sansores 26.82 30 4 4 Danielle Hill 26.90 31 7 9 Tam Hoi Lam 26.91 32 6 0 Barbora Seemanová 27.02 33 4 5 Sirena Rowe 27.19 34 4 3 Lismar Lyon 27.53 35 4 1 Olivia Borg 27.77 NR 36 4 2 Amel Melih 27.79 37 4 8 Oumy Diop 27.86 38 4 7 Luana Alonso 28.13 39 3 5 Rhanishka Gibbs 28.43 40 4 0 Emily Muteti Suspended Member Federation 28.46 41 3 3 María José Ribera 28.58 41 4 9 Maria Schutzmeier 28.58 43 3 7 Cherelle Thompson 28.84 44 3 6 Tara Naluwoza 29.07 45 1 7 Adaku Nwandu 29.38 46 3 4 Mikaili Charlemagne 29.39 47 3 2 Chloe Farro 29.41 48 3 1 Nubia Adjei 29.54 49 3 8 Bisma Khan 29.63 50 3 0 Kennice Greene 29.90 51 3 9 Bianca Mitchell 29.97 52 2 4 Hayley Hoy 30.73 53 2 5 Ayah Binrajab 30.86 54 2 0 Abigail Ai Tom 31.46 55 2 3 Sonia Khatun 31.51 56 2 2 Ekaterina Bordachyova 32.09 57 1 4 Taeyanna Adams 32.53 58 2 7 Arleigha Hall 32.55 59 1 5 Maria Batallones 33.49 60 2 9 Alyse Maniriho 36.57 61 1 6 Lina Selo 37.68 62 2 1 Galyah Mikel 38.22 63 2 8 Marie Amenou 39.50 64 1 2 Claudette Ishimwe 41.44 1 3 Ruth Turay 2 6 Taffi Illis Sint Maarten

Semifinals The semifinals were held on 28 July at 21:08.

Rank Heat Lane Name Nationality Time Notes 1 2 4 Sarah Sjöström 24.74 Q 2 1 4 Zhang Yufei 25.17 Q, NR 3 1 3 Gretchen Walsh 25.48 Q 4 1 5 Mélanie Henique 25.70 Q 5 2 5 Rikako Ikee 25.72 Q 6 2 3 Farida Osman 25.74 Q 7 2 2 Torri Huske 25.75 Q 8 2 7 Sara Junevik 25.77 Q 9 1 7 Anna Ntountounaki 25.82 10 2 6 Neža Klančar 25.83 11 1 2 Angelina Köhler 25.88 12 1 8 Katerine Savard 25.98 13 2 1 Maaike de Waard 26.02 14 2 8 Kim Busch 26.14 15 1 6 Ai Soma 26.18 16 1 1 Yu Yiting 26.27

Final The final was held on 29 July at 20:02.

Rank Lane Name Nationality Time Notes 4 Sarah Sjöström 24.77 5 Zhang Yufei 25.05 AS 3 Gretchen Walsh 25.46 4 7 Farida Osman 25.62 5 1 Torri Huske 25.64 6 8 Sara Junevik 25.74 7 2 Rikako Ikee 25.78 8 6 Mélanie Henique 25.80

References