# Swimming at the 2019 World Aquatics Championships – Women's 4 × 200 metre freestyle relay

The Women's 4 × 200 metre freestyle relay competition at the 2019 World Championships was held on 25 July 2019.

## Records

Prior to the competition, the existing world and championship records were as follows.
| World record | China | 7:42.08 | Rome, Italy | 30 July 2009 |
| Competition record | China | 7:42.08 | Rome, Italy | 30 July 2009 |
The following new records were set during this competition.
| Date | Event | Name | Nationality | Time | Record |
| 25 July | Final | Ariarne Titmus (1:54.27) Madison Wilson (1:56.73) Brianna Throssell (1:55.60) Emma McKeon (1:54.90) | Australia | 7:41.50 | WR |

## Results
### Heats

The heats were held on 25 July at 11:31.
| Rank | Heat | Lane | Nation | Swimmers | Time | Notes |
| 1 | 2 | 4 | Australia | Leah Neale (1:58.30) Madison Wilson (1:56.46) Brianna Throssell (1:56.70) Kiah Melverton (1:59.18) | 7:50.64 | Q |
| 2 | 1 | 4 | United States | Allison Schmitt (1:59.37) Gabby DeLoof (1:58.35) Melanie Margalis (1:56.37) Leah Smith (1:57.49) | 7:51.58 | Q |
| 3 | 1 | 3 | Russia | Anastasia Guzhenkova (1:59.04) Valeriya Salamatina (1:57.54) Daria Mullakaeva (1:58.74) Veronika Andrusenko (1:57.34) | 7:52.66 | Q |
| 4 | 1 | 5 | China | Ai Yanhan (1:58.83) Dong Jie (1:59.72) Zhang Yuhan (1:57.16) Li Bingjie (1:58.39) | 7:54.10 | Q |
| 5 | 2 | 6 | Germany | Reva Foos (1:58.81) Isabel Marie Gose (1:57.51) Marie Pietruschka (1:59.23) Annika Bruhn (1:58.75) | 7:54.30 | Q |
| 6 | 2 | 5 | Canada | Kayla Sanchez (1:58.88) Emily Overholt (1:57.11) Rebecca Smith (1:58.74) Emma O'Croinin (2:00.37) | 7:55.10 | Q |
| 7 | 1 | 6 | Hungary | Ajna Késely (1:58.82) Evelyn Verrasztó (2:00.37) Zsuzsanna Jakabos (1:59.60) Katinka Hosszú (1:56.61) | 7:55.40 | Q |
| 8 | 2 | 3 | Japan | Rio Shirai (1:59.68) Chihiro Igarashi (1:59.17) Tomomi Aoki (1:58.17) Nagisa Ikemoto (1:58.98) | 7:56.00 | Q |
| 9 | 2 | 2 | Poland | Aleksandra Polańska (1:59.80) Dominika Kossakowska (2:00.76) Marta Klimek (2:00.13) Aleksandra Knop (2:01.01) | 8:01.70 | |
| 10 | 2 | 1 | New Zealand | Erika Fairweather (1:58.84) Carina Doyle (2:00.92) Chelsey Edwards (2:01.88) Eve Thomas (2:01.64) | 8:03.28 | |
| 11 | 1 | 2 | Hong Kong | Camille Cheng (2:02.32) Siobhán Haughey (1:56.84) Ho Nam Wai (2:03.19) Stephanie Au (2:02.63) | 8:04.98 | |
| 12 | 2 | 7 | South Korea | Choi Jung-min (2:02.21) Jung Hyun-young (2:02.10) Park Na-ri (2:01.89) Jo Hyun-ju (2:02.18) | 8:08.38 | |
| 13 | 1 | 7 | Singapore | Quah Ting Wen (2:00.28) Gan Ching Hwee (2:02.80) Christie Chue (2:04.08) Quah Jing Wen (2:01.28) | 8:08.44 | NR |
| 14 | 1 | 1 | Portugal | Diana Durães (2:04.31) Tamila Holub (2:03.95) Ana Monteiro (2:10.93) Victoria Kaminskaya (2:10.80) | 8:29.99 | |

### Final

The final was held on 25 July at 21:47.
| Rank | Lane | Nation | Swimmers | Time | Notes |
| | 4 | Australia | Ariarne Titmus (1:54.27) OC Madison Wilson (1:56.73) Brianna Throssell (1:55.60) Emma McKeon (1:54.90) | 7:41.50 | WR |
| | 5 | United States | Simone Manuel (1:56.09) Katie Ledecky (1:54.61) Melanie Margalis (1:55.81) Katie McLaughlin (1:55.36) | 7:41.87 | AM |
| | 7 | Canada | Kayla Sanchez (1:57.32) Taylor Ruck (1:56.41) Emily Overholt (1:56.26) Penny Oleksiak (1:54.36) | 7:44.35 | NR |
| 4 | 6 | China | Yang Junxuan (1:56.41) Wang Jianjiahe (1:56.52) Li Bingjie (1:56.29) Zhang Yuhan (1:57.00) | 7:46.22 | |
| 5 | 3 | Russia | Anna Egorova (1:58.19) Anastasia Guzhenkova (1:56.43) Valeriya Salamatina (1:56.93) Veronika Andrusenko (1:56.70) | 7:48.25 | NR |
| 6 | 1 | Hungary | Ajna Késely (1:59.60) Evelyn Verrasztó (1:59.74) Zsuzsanna Jakabos (1:57.63) Katinka Hosszú (1:57.60) | 7:54.57 | |
| 7 | 2 | Germany | Reva Foos (1:59.81) Isabel Marie Gose (1:57.99) Marie Pietruschka (1:59.04) Annika Bruhn (1:58.79) | 7:55.63 | |
| 8 | 8 | Japan | Rio Shirai (1:59.88) Chihiro Igarashi (1:58.81) Tomomi Aoki (1:58.32) Nagisa Ikemoto (1:59.30) | 7:56.31 | |