# Swimming at the 2001 World Aquatics Championships – Women's 200 metre butterfly

The women's 200 metre butterfly event at the 2001 World Aquatics Championships took place 23 July. The heats and semifinals took place 22 July, with the final being held on 23 July.

## Records

Prior to this competition, the existing world and competition records were as follows:
| World record | Susie O'Neill (AUS) | 2:05.81 | Sydney, Australia | 17 May 2000 |
| Championship record | Liu Limin (CHN) | 2:07.25 | Rome, Italy | 11 September 1994 |
The following record was established during the competition:
| Date | Round | Name | Nation | Time | Record |
| 23 July | Final | Petria Thomas | Australia | 2:06.73 | CR |

## Results
### Heats

| Rank | Name | Nationality | Time | Notes |
| 1 | Petria Thomas | Australia | 2:07.91 | Q |
| 2 | Annika Mehlhorn | Germany | 2:08.37 | Q |
| 3 | Jessica Deglau | Canada | 2:10.75 | Q |
| 4 | Kaitlin Sandeno | United States | 2:10.87 | Q |
| 5 | Éva Risztov | Hungary | 2:11.07 | Q |
| 6 | Mireia García | Spain | 2:11.15 | Q |
| 7 | Mette Jacobsen | Denmark | 2:11.27 | Q |
| 8 | Yuko Nakanishi | Japan | 2:11.45 | Q |
| 9 | Georgina Lee | United Kingdom | 2:11.61 | Q |
| 10 | Shelly Ripple | United States | 2:11.76 | Q |
| 11 | Elizabeth Van Welie | New Zealand | 2:11.87 | Q |
| 12 | Asako Kitada | Japan | 2:12.03 | Q |
| 13 | Petra Zahrl | Austria | 2:12.25 | Q |
| 14 | Sophia Skou | Denmark | 2:12.35 | Q |
| 15 | Audrey Lacroix | Canada | 2:12.94 | Q |
| 16 | Irina Bespalova | Russia | 2:13.65 | Q |
| 17 | Vered Borochovski | Israel | 2:14.24 | |
| 18 | Nicole Hunter | Australia | 2:14.69 | |
| 19 | Ruan Yi | China | 2:15.73 | |
| 20 | Miriana Bosevska | North Macedonia | 2:18.24 | |
| 21 | Christel Bouvron | Singapore | 2:19.27 | |
| 22 | Anna Kopatchenia | Belarus | 2:19.33 | |
| 23 | Mariela Solange Yepez Pallo | Ecuador | 2:19.81 | |
| 24 | Natalia Roubina | Cyprus | 2:19.90 | |
| 25 | Yang Chin-Kuei | Chinese Taipei | 2:24.77 | |
| 26 | Xenavee Pangelinan | Northern Mariana Islands | 2:25.48 | |
| 27 | Sung Yi-Chien | Chinese Taipei | 2:29.41 | |
| – | Raquel Felgueiras | Portugal | DSQ | |
| – | Otylia Yedrzejczak | Poland | DSQ | |
| – | Natallia Baranouskaya | Belarus | DSQ | |

### Semifinals

| Rank | Name | Nationality | Time | Notes |
| 1 | Annika Mehlhorn | Germany | 2:08.95 | Q |
| 2 | Petria Thomas | Australia | 2:09.20 | Q |
| 3 | Yuko Nakanishi | Japan | 2:09.79 | Q |
| 4 | Éva Risztov | Hungary | 2:09.91 | Q |
| 5 | Mireia García | Spain | 2:09.97 | Q |
| 6 | Mette Jacobsen | Denmark | 2:10.43 | Q |
| 7 | Shelly Ripple | United States | 2:10.62 | Q |
| 8 | Kaitlin Sandeno | United States | 2:10.65 | Q |
| 9 | Jessica Deglau | Canada | 2:11.03 | |
| 10 | Georgina Lee | United Kingdom | 2:11.07 | |
| 11 | Sophia Skou | Denmark | 2:11.68 | |
| 12 | Petra Zahrl | Austria | 2:12.09 | |
| 13 | Irina Bespalova | Russia | 2:12.58 | |
| 14 | Asako Kitada | Japan | 2:13.05 | |
| 15 | Audrey Lacroix | Canada | 2:13.10 | |
| 16 | Elizabeth Van Welie | New Zealand | 2:13.29 | |

### Final

| Rank | Name | Nationality | Time | Notes |
| | Petria Thomas | Australia | 2:06.73 | CR |
| | Annika Mehlhorn | Germany | 2:06.97 | |
| | Kaitlin Sandeno | United States | 2:08.52 | |
| 4 | Yuko Nakanishi | Japan | 2:09.08 | |
| 5 | Mette Jacobsen | Denmark | 2:09.57 | |
| 6 | Éva Risztov | Hungary | 2:10.11 | |
| 7 | Mireia García | Spain | 2:10.42 | |
| 8 | Shelly Ripple | United States | 2:11.09 | |