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

The Women's 50m Breaststroke at the 2007 World Aquatics Championships took place on 31 March (prelims & semifinals) and the evening of 1 April (finals) at the Rod Laver Arena in Melbourne, Australia. 86 swimmers were entered in the event, of which 74 swam.
Existing records at the start of the event were:
* World Record (WR): 30.31, Jade Edmistone (Australia), 30 January 2006 in Melbourne, Australia.
* Championship Record (CR): 30.45, Jade Edmistone (Australia), Montreal 2005 (31 July 2005)

## Results
### Finals

| Place | Name | Nationality | Time |
| 1st | Jessica Hardy | USA | 30.63 |
| 2nd | Leisel Jones | Australia | 30.70 |
| 3rd | Tara Kirk | USA | 31.05 |
| 4th | Tarnee White | Australia | 31.14 |
| 5th | Janne Schafer | Germany | 31.35 |
| 6th | Zoë Baker | New Zealand | 31.79 |
| 7th | Kate Haywood | Great Britain | 31.82 |
| 8th | Rebecca Ejdervik | Sweden | 31.86 |

### Semifinals

| Rank | Swimmer | Nation | Time | Note |
| 1 | Leisel Jones | Australia | 30.91 | Q |
| 2 | Jessica Hardy | USA | 31.09 | Q |
| 3 | Tarnee White | Australia | 31.14 | Q |
| 4 | Janne Schafer | Germany | 31.23 | Q |
| 5 | Tara Kirk | USA | 31.27 | Q |
| 6 | Zoë Baker | New Zealand | 31.49 | Q |
| 7 | Rebecca Ejdervik | Sweden | 31.71 | Q |
| 8 | Kate Haywood | Great Britain | 31.72 | Q |
| 9 | Ji Liping | China | 31.75 | |
| 10 | Mirna Jukić | Austria | 31.78 | |
| 11 | Elena Bogomazova | Russia | 32.08 | |
| 12 | Roberta Panara | Italy | 32.10 | |
| 13 | Anna Khlistunova | Ukraine | 32.12 | |
| 14 | Anne-Sophie Le Paranthoën | France | 32.17 | |
| 15 | Anne-Mari Gulbrandsen | Norway | 32.34 | NR |
| -- | Ina Kapishina | Belarus | DQ | |

### Preliminaries

| Rank | Swimmer | Nation | Time | Note |
| 1 | Jessica Hardy | USA | 30.85 | Q |
| 2 | Zoë Baker | New Zealand | 31.35 | Q |
| 3 | Leisel Jones | Australia | 31.39 | Q |
| 3 | Tara Kirk | USA | 31.39 | Q |
| 5 | Rebecca Ejdervik | Sweden | 31.54 | Q |
| 6 | Tarnee White | Australia | 31.65 | Q |
| 7 | Anna Khlistunova | Ukraine | 31.73 | Q, NR |
| 8 | Janne Schafer | Germany | 31.77 | Q |
| 9 | Anne-Sophie Le Paranthoën | France | 31.84 | Q |
| 10 | Ina Kapishina | Belarus | 31.93 | Q |
| 11 | Kate Haywood | Great Britain | 31.95 | Q |
| 12 | Mirna Jukić | Austria | 32.06 | Q |
| 13 | Roberta Panara | Italy | 32.17 | Q |
| 14 | Ji Liping | China | 32.25 | Q |
| 15 | Anne-Mari Gulbrandsen | Norway | 32.35 | Q, NR |
| 16 | Elena Bogomazova | Russia | 32.51 | Q |
| 17 | Annabelle Carey | New Zealand | 32.60 | |
| 18 | Yoshimi Miwa | Japan | 32.63 | |
| 19 | Ciara Farrell | Ireland | 32.69 | |
| 19 | Hanna Westrin | Sweden | 32.69 | |
| 21 | Beata Kaminska | Poland | 32.81 | |
| 22 | Suzaan van Biljon | South Africa | 32.87 | |
| 22 | Chen Huijia | China | 32.87 | |
| 24 | Veronica Vdovicenco | Moldova | 33.31 | |
| 24 | Diana Gomes | Portugal | 33.31 | |
| 26 | Valeria Silva | Peru | 33.32 | |
| 27 | Yuliya Pidlisna | Ukraine | 33.88 | |
| 28 | Sara Elbekri | Morocco | 34.11 | |
| 29 | Anastasia Christoforou | Cyprus | 34.35 | |
| 30 | Man Yi Yvette Kong | Hong Kong | 34.36 | |
| 31 | Marina Kuc | Montenegro | 34.41 | |
| 32 | I Chuan Chen | Chinese Taipei | 34.48 | |
| 33 | Roanne Ho | Singapore | 34.52 | |
| 34 | Larisa Lăcustă | Romania | 34.58 | |
| 35 | Koh Ting Ting | Singapore | 35.06 | |
| 36 | Daniela Victoria | Venezuela | 35.38 | |
| 37 | Danielle Beaubrun | Saint Lucia | 35.42 | |
| 38 | Desak Nyoman Rina | Indonesia | 35.43 | |
| 39 | Rachel Ah Koy | Fiji | 35.44 | |
| 40 | On Kei Lei | Macao | 35.69 | |
| 41 | Nilshaira Isenia | Netherlands Antilles | 35.77 | |
| 42 | Lina Cahya Utami | Indonesia | 35.79 | |
| 43 | Dohi Eliane Droubry | Côte d'Ivoire | 36.06 | |
| 44 | Natasha Moodie | Jamaica | 36.08 | |
| 45 | Herinantenaina Ravoajanahary | Madagascar | 36.19 | |
| 46 | Thi Thuan Tran | Vietnam | 36.72 | |
| 47 | Sin Ian Lei | Macao | 36.73 | |
| 48 | Olga Gnedovskaya | Uzbekistan | 36.81 | |
| 49 | Saintsetseg Dashtseren | Mongolia | 36.99 | |
| 50 | Blessing Forcados | Nigeria | 37.01 | |
| 51 | Karen Poujol Zepeda | Honduras | 37.25 | |
| 52 | Katerine Moreno | Bolivia | 37.29 | |
| 53 | Oksana Hatamkhanova | Azerbaijan | 37.31 | |
| 54 | Thi Hue Pham | Vietnam | 37.36 | |
| 55 | Cai Lin Khoo | Malaysia | 37.49 | |
| 56 | Nibal Yamout | Lebanon | 37.61 | |
| 57 | Rachel Lannen | Guam | 37.63 | |
| 58 | Kelly How Tam Fat | Mauritius | 37.88 | |
| 59 | Monica Fernandovna Bernardo | Mozambique | 37.95 | |
| 60 | Mercedes Milner | Zambia | 38.12 | |
| 60 | Chinyere Pigot | Suriname | 38.12 | |
| 62 | Stacey Ryder | Swaziland | 38.34 | |
| 63 | Razan Taha | Jordan | 38.38 | |
| 64 | Rovena Marku | Albania | 38.64 | |
| 65 | Samantha La Qua | Grenada | 39.04 | |
| 66 | Sainzaya Khurelbaatar | Mongolia | 40.16 | |
| 67 | Bibidha Rimal | Nepal | 41.23 | |
| 68 | Natasha Ratter | Uganda | 41.42 | |
| 69 | Debra Daniel | FS Micronesia | 42.35 | |
| 70 | Anisa Curraj | Albania | 42.56 | |
| 71 | Julianne Kirchner | Marshall Islands | 43.66 | |
| 72 | Pamela Girimbazi Rugabira | Rwanda | 47.27 | |
| 73 | Aminath Inas Ismail | Maldives | 48.10 | |
| 74 | Ingrid Fabienne Outtara | Burkina Faso | 48.51 | |
| -- | Kezimani Liesse | Burundi | DNS | |
| -- | Gloria Koussihouede | Benin | DNS | |
| -- | Mahfuza Khatun | Bangladesh | DNS | |
| -- | Doli Akhter | Bangladesh | DNS | |
| -- | Adriana Marmolejo | Mexico | DNS | |
| -- | Asami Kitagawa | Japan | DNS | |
| -- | Kirsty Balfour | Great Britain | DNS | |
| -- | Elisabeth Nikiema | Burkina Faso | DNS | |