# Swimming at the 2007 World Aquatics Championships – Women's 50 metre butterfly

The Women's 50m Butterfly at the 2007 World Aquatics Championships took place on 30 March (prelims & semifinals) and the evening of 31 March (finals) at the Rod Laver Arena in Melbourne, Australia. 99 swimmers were entered in the event, of whom 93 swam.
Existing records at the start of the event were:
* World Record (WR): 25.57, Anna-Karin Kammerling (Sweden), 30 July 2002 in Berlin, Germany.
* Championship Record (CR): 25.84, Inge de Bruijn (Netherlands), Barcelona 2003 (26 July 2003)

## Results
### Finals

| Place | Name | Nationality | Time |
| 1st | Therese Alshammar | Sweden | 25.91 |
| 2nd | Danni Miatke | Australia | 26.05 |
| 3rd | Inge Dekker | Netherlands | 26.11 |
| 4th | Anna-Karin Kammerling | Sweden | 26.32 |
| 5th | Rachel Komisarz | USA | 26.41 |
| 6th | Fabienne Nadarajah | Austria | 26.77 |
| 7th | Tao Li | Singapore | 26.80 |
| 8th | Zhou Yafei | China | 27.06 |

### Semifinals

| Rank | Swimmer | Nation | Time | Note |
| 1 | Therese Alshammar | Sweden | 25.82 | Q, CR |
| 2 | Inge Dekker | Netherlands | 26.20 | Q |
| 3 | Rachel Komisarz | USA | 26.48 | Q |
| 4 | Danni Miatke | Australia | 26.57 | Q |
| 5 | Zhou Yafei | China | 26.69 | Q |
| 6 | Anna-Karin Kammerling | Sweden | 26.81 | Q |
| 7 | Tao Li | Singapore | 26.82 | Q |
| 8 | Fabienne Nadarajah | Austria | 26.86 | Q |
| 9 | Antje Buschschulte | Germany | 26.89 | |
| 10 | Yuka Kato | Japan | 26.91 | |
| 11 | Jeanette Ottesen | Denmark | 26.95 | |
| 12 | Kim Vandenberg | USA | 26.99 | |
| 13 | Chantal Groot | Netherlands | 27.10 | |
| 14 | Ayako Doi | Japan | 27.12 | |
| 15 | Irina Bespalova | Russia | 27.17 | |
| 16 | Kimberly Buys | Belgium | 27.27 | |

### Preliminaries

| Rank | Swimmer | Nation | Time | Note |
| 1 | Danni Miatke | Australia | 26.34 | Q |
| 2 | Rachel Komisarz | USA | 26.58 | Q |
| 3 | Inge Dekker | Netherlands | 26.60 | Q |
| 4 | Zhou Yafei | China | 26.67 | Q |
| 5 | Anna-Karin Kammerling | Sweden | 26.81 | Q |
| 5 | Jeanette Ottesen | Denmark | 26.81 | Q |
| 7 | Fabienne Nadarajah | Austria | 26.99 | Q |
| 8 | Chantal Groot | Netherlands | 27.13 | Q |
| 9 | Ayako Doi | Japan | 27.15 | Q |
| 10 | Tao Li | Singapore | 27.17 | Q |
| 10 | Yuka Kato | Japan | 27.17 | Q |
| 10 | Kimberly Buys | Belgium | 27.17 | Q |
| 13 | Therese Alshammar | Sweden | 27.26 | Q |
| 14 | Irina Bespalova | Russia | 27.27 | Q |
| 15 | Kim Vandenberg | USA | 27.30 | Q |
| 16 | Antje Buschschulte | Germany | 27.31 | Q |
| 17 | Elena Gemo | Italy | 27.35 | |
| 18 | Lisbeth Lenton | Australia | 27.36 | |
| 19 | Keri-Leigh Shaw | South Africa | 27.46 | |
| 19 | Daniela Samulski | Germany | 27.46 | |
| 21 | Triin Aljand | Estonia | 27.60 | |
| 22 | Audrey Lacroix | Canada | 27.73 | |
| 23 | Natalya Sutyagina | Russia | 27.77 | |
| 24 | Marilies Demal | Austria | 27.83 | |
| 24 | Aleksandra Urbanczyk | Poland | 27.83 | |
| 26 | Aurore Mongel | France | 27.87 | |
| 26 | Martina Moravcová | Slovakia | 27.87 | |
| 28 | Camille Muffat | France | 27.92 | |
| 29 | Zoë Baker | New Zealand | 27.95 | |
| 30 | Rosalind Brett | Great Britain | 28.02 | |
| 31 | Amit Ivry | Israel | 28.10 | |
| 32 | Sara Oliveira | Portugal | 28.12 | |
| 33 | Hang Yu Sze | Hong Kong | 28.15 | |
| 34 | Carolina Colorado Henao | Colombia | 28.20 | |
| 35 | Heather Brand | Zimbabwe | 28.23 | |
| 36 | Denisa Smolenova | Slovakia | 28.25 | |
| 37 | Liz Coster | New Zealand | 28.30 | |
| 38 | Micha Jensen | Denmark | 28.40 | |
| 39 | Hannah Wilson | Hong Kong | 28.46 | |
| 40 | Hae In Shin | South Korea | 28.50 | |
| 41 | Sharntelle McLean | Trinidad and Tobago | 28.64 | |
| 42 | Iris Rosenberger | Turkey | 28.65 | |
| 43 | Geneviève Saumur | Canada | 28.81 | |
| 44 | Loren Bahamonde | Ecuador | 28.98 | |
| 45 | Caroline Pickering | Fiji | 29.11 | |
| 46 | Chin Kuel Yang | Chinese Taipei | 29.11 | |
| 47 | You Ri Kown | South Korea | 29.16 | |
| 47 | Ellen Hight | Zambia | 29.16 | |
| 49 | Cheok Mei Ma | Macao | 29.45 | |
| 50 | Maria Rodriguez | Venezuela | 29.53 | |
| 51 | Irina Shlemova | Uzbekistan | 29.63 | |
| 52 | Mylene Ong | Singapore | 29.64 | |
| 53 | Galina Dukhanova | Uzbekistan | 30.02 | |
| 54 | Emma Hunter | Samoa | 30.19 | |
| 54 | Tojohanitra Andriamanjatoprimamama | Madagascar | 30.19 | |
| 56 | Marianella Quesada Barrantes | Costa Rica | 30.33 | |
| 57 | Binta Zahra Diop | Senegal | 30.37 | |
| 58 | Ileana Murillo Argueta | El Salvador | 30.50 | |
| 59 | Sharon Paola Fajardo Sierra | Honduras | 30.52 | |
| 60 | Monika Spasova | Macedonia | 30.61 | |
| 61 | Natasha Moodie | Jamaica | 30.74 | |
| 62 | Davina Mangion | Malta | 30.77 | |
| 63 | Rachel Ah Koy | Fiji | 30.79 | |
| 63 | Razan Taha | Jordan | 30.79 | |
| 65 | Elena Popovska | Macedonia | 30.82 | |
| 66 | Jonay Briedenhann | Namibia | 30.91 | |
| 67 | Marie Laura Meza Peraza | Costa Rica | 30.96 | |
| 68 | Dalia Massiel Torrez Zamora | Nicaragua | 31.07 | |
| 69 | Thi Hanh Phan | Vietnam | 31.12 | |
| 69 | Jessica Teixeira Vieira | Mozambique | 31.12 | |
| 71 | Karen Torrez | Bolivia | 31.14 | |
| 72 | Sara Elbekri | Morocco | 31.52 | |
| 72 | Miriam Hatamleh | Jordan | 31.52 | |
| 74 | Kiran Khan | Pakistan | 31.56 | |
| 75 | Prisca Rose | Mauritius | 31.63 | |
| 76 | Parita Parekh | India | 32.07 | |
| 77 | Nicole Ellsworth | Papua New Guinea | 32.20 | |
| 78 | Ximene Vaz Gomez | Mozambique | 32.54 | |
| 79 | Mercedes Milner | Zambia | 32.55 | |
| 80 | Kathryn Millin | Swaziland | 32.57 | |
| 81 | Kelly How Tam Fat | Mauritius | 33.42 | |
| 82 | Judith Meauri | Papua New Guinea | 33.61 | |
| 83 | Hussain Aminath Rouya | Maldives | 33.78 | |
| 84 | Virginia Farmer | American Samoa | 33.80 | |
| 85 | Shannon Austin | Seychelles | 33.98 | |
| 86 | Debra Daniel | FS Micronesia | 34.00 | |
| 87 | Saintsetseg Dashtseren | Mongolia | 34.04 | |
| 88 | Chinyere Pigot | Suriname | 35.02 | |
| 89 | Samantha La Qua | Grenada | 35.13 | |
| 90 | Zakia Nassar | Palestine | 35.88 | |
| 91 | Senele Dlamini | Swaziland | 36.14 | |
| 92 | Julianne Kirchner | Marshall Islands | 37.71 | |
| 93 | Teran Matthews | Saint Vincent    and the Grenadines | 41.83 | |
| -- | Katerina Izmailova | Tajikistan | DNS | |
| -- | Ngozi Monu | Nigeria | DNS | |
| -- | Ana Roxiero | Angola | DNS | |
| -- | Chantal Van Wyk | South Africa | DNS | |
| -- | XU Yanwei | China | DNS | |
| -- | Ira Kurniawan | Indonesia | DQ | |