# Swimming at the 2007 World Aquatics Championships – Women's 4 × 100 metre medley relay

The Women's 4 × 100 m Medley Relay at the 2007 World Aquatics Championships took place on 31 March 2007 at the Rod Laver Arena in Melbourne, Australia. The top-12 finishers from this race qualified for the event at the 2008 Olympics. 29 teams were entered in the event; all swam.
The existing records when the event started were:
* World Record (WR): 3:56.30, Australia (Edington, Jones, Schipper, Lenton), 21 March 2006 in Melbourne, Australia.
* Championship Record (CR): 3:57.47, Australia (Edington, Jones, Schipper, Lenton), Montreal 2005 (Jul.30.2005)

## Results
### Finals

| Place | Nation | Swimmers | Time | Note |
| 1st | Australia | Emily Seebohm (1:00.79) Leisel Jones (1:04.94) Jessicah Schipper (57.18) Lisbeth Lenton (52.83) | 3:55.74 | WR |
| 2nd | USA | Natalie Coughlin (1:00.66) Tara Kirk (1:06.37) Rachel Komisarz (57.06) Lacey Nymeyer (54.22) | 3:58.31 | |
| 3rd | China | XU Tianlongzi (1:01.06) LUO Nan (1:09.08) ZHOU Yafei (57.84) XU Yanwei (53.99) | 4:01.97 | |
| 4th | Great Britain | Melanie Marshall (1:01.85) Kirsty Balfour (1:07.37) Terri Dunning (59.20) Francesca Halsall (53.76) | 4:02.18 | |
| 5th | Russia | Anastasia Zuyeva (1:00.85) Elena Bogomazova (1:08.11) Irina Bespalova (58.61) Olga Shulgina (55.75) | 4:03.32 | |
| 6th | Japan | Reiko Nakamura (1:00.69) Asami Kitagawa (1:08.17) Ayako Doi (58.78) Maki Mita (55.69) | 4:03.33 | |
| 7th | Germany | Antje Buschschulte (1:01.43) Birte Steven (1:09.46) Daniela Samulski (59.04) Britta Steffen (53.41) | 4:03.34 | |
| 8th | Sweden | Carin Moller (1:03.00) Hanna Westrin (1:08.64) Gabriella Fagundez (1:00.16) Josefin Lillhage (54.36) | 4:06.16 | |

### Preliminaries

| Rank | Nation | Swimmers | Time | Note |
| 1 | USA | Leila Vaziri (1:00.84), Jessica Hardy (1:07.53), Dana Vollmer (57.47), Amanda Weir (55.26) | 4:01.10 | Q Olympic |
| 2 | Australia | Emily Seebohm (1:01.70), Tarnee White (1:07.23), Felicity Galvez (59.12), Jodie Henry (53.96) | 4:02.01 | Q Olympic |
| 3 | Japan | Hanae Ito (1:01.39), Asami Kitagawa (1:08.56), Ayako Doi (58.58), Maki Mita (55.48) | 4:04.01 | Q Olympic |
| 4 | China | XU Tianlongzi, (1:01.66), LUO Nan (1:09.72), ZHOU Yafei (58.44), XU Yanwei (54.57) | 4:04.39 | Q Olympic |
| 5 | Germany | Antje Buschschulte (1:01.58), Birte Steven (1:09.47), Daniela Samulski (58.44), Britta Steffen (53.62) | 4:04.62 | Q Olympic |
| 6 | Sweden | Carin Moller (1:02.97), Hanna Westrin (1:08.66), Gabriella Fagundez (59.75), Josefin Lillhage (54.01) | 4:05.39 | Q Olympic |
| 7 | Russia | Anastasia Zuyeva (1:01.59), Elena Bogomazova (1:08.58), Irina Bespalova (58.61), Olga Shulgina (56.47) | 4:05.45 | Q Olympic |
| 8 | Great Britain | Elizabeth Simmonds (1:02.06), Kirsty Balfour (1:08.11), Terri Dunning (1:00.57), Melanie Marshall (55.11) | 4:05.85 | Q Olympic |
| 9 | France | Camille Muffat (1:04.47), Anne-Sophie Le Paranthoën (1:07.89), Alena Popchanka (58.87), Céline Couderc (54.99) | 4:06.22 | Olympic |
| 10 | Italy | Elena Gemo (1:02.53), Chiara Boggiatto (1:09.89), Francesca Segat (59.77), Federica Pellegrini (54.45) | 4:06.64 | Olympic |
| 11 | Canada | Kelly Stefanyshyn (1:02.57), Erica Morningstar (1:09.23), Mackenzie Downing (59.39), Julia Wilkinson (55.52) | 4:06.71 | Olympic |
| 12 | Ukraine | Iryna Amshennikova (1:02.62), Anna Khlistunova (1:07.16), Kateryna Zubkova (1:01.05), Ganna Dzerkal (56.53) | 4:07.36 | Olympic |
| 13 | New Zealand | Hannah McLean (1:01.68), Annabelle Carey (1:10.02), Elizabeth Coster (1:00.53), Lauren Boyle (55.39) | 4:07.75 | |
| 14 | Poland | Iwona Lefanowicz (1:03.61), Beata Kaminska (1:09.13), Otylia Jędrzejczak (59.45), Paulina Barzycka (56.19) | 4:08.38 | |
| 15 | Denmark | Louise Ørnstedt (1:02.23), Julie Hjorth-Hansen (1:10.02), Jeanette Ottesen (59.51), Micha Østergaard (56.66) | 4:08.42 | |
| 16 | South Africa | Karin Prinsloo (1:03.22), Suzaan van Biljon (1:09.36), Keri-Leigh Shaw (59.99), Wendy Trott (58.38) | 4:10.95 | |
| 17 | Korea | Yoo Jin Jung (1:03.68), Seul Ki Jung (1:10.64), Hae In Shin (1:01.24), Keo Ra Lee (55.99) | 4:11.55 | |
| 18 | Hong Kong | Hiu Wai Sherry Tsai (1:02.79), Man Yi Yvette Kong (1:13.57), Hang Yu Sze (1:01.88), Hannah Wilson (57.31) | 4:15.55 | |
| 19 | Venezuela | Erin Volcán (1:04.46), Daniela Victoria (1:13.20), Maria Rodriguez (1:03.79), Arlene Semeco (57.35) | 4:18.80 | |
| 20 | Chinese Taipei | Hsu Jung He (1:06.87), Man Hsu Lin (1:17.82), Chin Kuei Yang (1:03.65), Pin Chieh Nieh (58.69) | 4:27.03 | |
| 21 | Singapore | Lynette Ng (1:06.45), Roanne Ho (1:18.28), Koh Ting Ting (1:06.04), Mylene Ong (59.09) | 4:29.86 | |
| 22 | Macau | Weng I Kuan (1:10.47), On Kei Lei (1:16.84), Yih Shiuan Chan (1:07.48), Cheok Mei Ma (59.17) | 4:33.96 | |
| 23 | Uzbekistan | Maftunabonu Tuhtasinova (1:08.96), Olga Gnedovskaya (1:18.92), Galina Dukhanova (1:07.72), Irina Shlemova (59.09) | 4:34.69 | |
| 24 | Malta | Madeleine Scerri (1:09.91), Angela Galea (1:18.79), Davina Mangion (1:05.84), Talisa Pace (1:02.52) | 4:37.06 | |
| 25 | Thailand | Wenika Kaewchaiwong (1:10.65), Pannika Prachgosin (1:22.15), Nimitta Thaveesupsoonthorn (1:08.40), Jiratida Phinyosophon (59.43) | 4:40.63 | |
| 26 | Peru | Slavica Pavic (1:11.00), Valeria Silva (1:14.28), Fiorella Gomez-Sanchez (1:11.84), Massie Milagros Carillo (1:04.32) | 4:41.44 | |
| 27 | Nigeria | Uche Monu (1:18.87), Blessing Forcados (1:21.11), Obia Inyengiyikabo (1:10.39), Ngozi Monu (1:02.32) | 4:52.69 | |
| 28 | Jordan | Layla Alghul (1:09.52), Razan Taha (1:28.77), Hiba Bashouti (1:14.40), Miriam Hatamleh (1:03.08) | 4:55.77 | |
| -- | Zambia | Patricia Wellman, Mercedes Milner, Ellen Hight, Matana Wellman | DQ | |