# Swimming at the 2005 World Aquatics Championships – Women's 50 metre breaststroke

The Women's 50 Breaststroke event at the 11th FINA World Aquatics Championships swam 30 – 31 July 2005 in Montreal, Quebec, Canada. Preliminary and Semifinal heats were swum on 30 July with the heats being held in the morning session and the semifinals being held in the evening session. The final was held on 31 July.
At the start of the event, the existing World (WR) and Championships (CR) records were:
* WR: 30.57, Zoë Baker (Great Britain) swum 30 July 2002 in Manchester, UK
* CR: 30.64, LUO Xuejuan (China) swum 26 July 2003 in Barcelona, Spain

## Results
### Preliminary heats

| Rank | Heat + Lane | Swimmer | Nation | Time | Notes |
| 1 | H7 L4 | Jade Edmistone | Australia | 30.79 | q |
| 2 | H6 L4 | Brooke Hanson | Australia | 30.99 | q |
| 3 | H6 L3 | Jessica Hardy | United States | 31.13 | q |
| 4 | H7 L5 | Zoë Baker | New Zealand | 31.30 | q |
| 5 | H6 L5 | Kate Haywood | Great Britain | 31.66 | q |
| 6 | H5 L5 | Tara Kirk | United States | 31.71 | q |
| 7 | H7 L3 | Janne Schaefer | Germany | 32.00 | q |
| 8 | H5 L4 | LUO Xuejuan | China | 32.08 | q |
| 9 | H7 L6 | Ekaterina Kormatcheva | Russia | 32.14 | q |
| 10 | H5 L3 | Beata Kaminska | Poland | 32.15 | q |
| 11 | H6 L8 | Suzaan van Biljon | South Africa | 32.19 | q |
| 12 | H7 L7 | Eeva Saarinen | Finland | 32.28 | q |
| 13 | H5 L6 | Elena Bogomazova | Russia | 32.35 | q |
| 14 | H7 L2 | Rebecca Ejdervik | Sweden | 32.43 | q |
| 15 | H6 L6 | Moniek Nijhuis | Netherlands | 32.62 | q |
| 16 | H5 L2 | Mirna Jukić | Austria | 32.71 | q |
| 17 | H5 L7 | Ina Kapishina | Belarus | 32.79 | |
| 18 | H4 L4 | Diana Gomes | Portugal | 33.00 | |
| 18 | H6 L2 | Sayaka Nakamura | Japan | 33.00 | |
| 20 | H4 L8 | Su Yeon Back | South Korea | 33.01 | |
| 20 | H5 L8 | Petra Chocová | Czech Republic | 33.01 | |
| 22 | H6 L1 | Katarzyna Dulian | Poland | 33.03 | |
| 23 | H5 L1 | Annabelle Carey | New Zealand | 33.04 | |
| 24 | H4 L3 | Alia Atkinson | Jamaica | 33.26 | |
| 25 | H7 L8 | Chenfei Ma | China | 33.29 | |
| 26 | H4 L7 | Seul-Ki Jung | South Korea | 33.38 | |
| 27 | H7 L1 | Angeliki Exarchou | Greece | 33.59 | |
| 28 | H3 L4 | Kathleen Stoody | Canada | 33.74 | |
| 29 | H3 L5 | Marina Kuč | Serbia and Montenegro | 33.76 | |
| 29 | H4 L6 | Yu-Chia Tong | Chinese Taipei | 33.76 | |
| 31 | H4 L1 | Louise Jansen | Denmark | 33.86 | |
| 32 | H3 L3 | Megumi Taneda | Japan | 33.97 | |
| 33 | H4 L2 | Tamara Sambrailo | Slovenia | 33.98 | |
| 34 | H3 L6 | Valeria Silva | Peru | 34.14 | |
| 35 | H3 L2 | Nicolette Teo | Singapore | 34.42 | |
| 36 | H3 L7 | Ting-Wei Lin | Chinese Taipei | 34.56 | |
| 37 | H3 L1 | Dannielle Van Zijl | Namibia | 35.36 | |
| 38 | H3 L8 | Qiyu Sandy Mo | Singapore | 35.75 | |
| 39 | H2 L5 | Alexis Jordan | Barbados | 35.87 | |
| 40 | H2 L2 | Samantha Fajardo | Ecuador | 36.15 | |
| 41 | H2 L7 | Ellen Hight | Zambia | 37.03 | |
| 42 | H2 L6 | Mayumi Raheem | Sri Lanka | 37.04 | |
| 43 | H2 L3 | Sin Ian Lei | Macau | 37.14 | |
| 44 | H2 L1 | Katerine Moreno | Bolivia | 38.15 | |
| 45 | H2 L4 | Blessing Forcados | Nigeria | 38.75 | |
| 46 | H1 L6 | Sana Wahid | Pakistan | 40.18 | |
| 47 | H2 L8 | Natasaha Ratter | Uganda | 41.69 | |
| 48 | H1 L3 | Pamela Girimbabazi Rugabira | Rwanda | 46.38 | |
| -- | -- | Ayele Sika Ornella Pamela Dossavi | Togo | DNS | |
| -- | -- | Eliane Droubry Dohi | Ivory Coast | DNS | |
| -- | -- | Christin Petelski | Canada | DNS | |
| -- | -- | Rebeca Gusmão | Brazil | DNS | |

### Semifinals

| Rank | Heat + Lane | Swimmer | Nation | Time | Notes |
| 1 | S2 L4 | Jade Edmistone | Australia | 30.61 | q, CR |
| 2 | S2 L5 | Jessica Hardy | USA | 31.10 | q |
| 3 | S1 L4 | Brooke Hanson | Australia | 31.15 | q |
| 4 | S1 L3 | Tara Kirk | USA | 31.26 | q |
| 5 | S2 L3 | Kate Haywood | Great Britain | 31.41 | q |
| 6 | S1 L6 | LUO Xuejuan | China | 31.45 | q |
| 7 | S1 L5 | Zoë Baker | New Zealand | 31.58 | q |
| 8 | S2 L6 | Janne Schaefer | Germany | 31.76 | q |
| 9 | S2 L2 | Ekaterina Kormatcheva | Russia | 31.99 | |
| 10 | S1 L2 | Beata Kaminska | Poland | 32.12 | |
| 11 | S2 L1 | Elena Bogomazova | Russia | 32.35 | |
| 12 | S1 L1 | Rebecca Ejdervik | Sweden | 32.36 | |
| 13 | S2 L8 | Moniek Nijhuis | Netherlands | 32.61 | |
| 14 | S1 L8 | Mirna Jukić | Austria | 32.67 | |
| 14 | S2 L7 | Suzaan van Biljon | South Africa | 32.67 | |
| 16 | S1 L7 | Eeva Saarinen | Finland | 32.73 | |

### Final

| Place | Swimmer | National | Time | Notes |
| | Jade Edmistone | Australia | 30.45 | WR |
| | Jessica Hardy | USA | 30.85 | |
| | Brooke Hanson | Australia | 30.89 | |
| 4 | Tara Kirk | USA | 31.38 | |
| 5 | Zoë Baker | New Zealand | 31.43 | |
| 6 | Kate Haywood | Great Britain | 31.49 | |
| 7 | LUO Xuejuan | China | 31.50 | |
| 8 | Janne Schaefer | Germany | 32.45 | |