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.The following new records were set during this competition.
| Date | Event | Name | Nationality | Time | Record |
| 25 July | Final | Ariarne Titmus Madison Wilson Brianna Throssell Emma McKeon | 7:41.50 | , CR |
Results
Heats
The heats were held on 25 July at 11:31.| Rank | Heat | Lane | Nation | Swimmers | Time | Notes |
| 1 | 2 | 4 | Leah Neale Madison Wilson Brianna Throssell Kiah Melverton | 7:50.64 | Q | |
| 2 | 1 | 4 | Allison Schmitt Gabby DeLoof Melanie Margalis Leah Smith | 7:51.58 | Q | |
| 3 | 1 | 3 | Anastasia Guzhenkova Valeriya Salamatina Daria Mullakaeva Veronika Andrusenko | 7:52.66 | Q | |
| 4 | 1 | 5 | Ai Yanhan Dong Jie Zhang Yuhan Li Bingjie | 7:54.10 | Q | |
| 5 | 2 | 6 | Reva Foos Isabel Marie Gose Marie Pietruschka Annika Bruhn | 7:54.30 | Q | |
| 6 | 2 | 5 | Kayla Sanchez Emily Overholt Rebecca Smith Emma O'Croinin | 7:55.10 | Q | |
| 7 | 1 | 6 | Ajna Késely Evelyn Verrasztó Zsuzsanna Jakabos Katinka Hosszú | 7:55.40 | Q | |
| 8 | 2 | 3 | Rio Shirai Chihiro Igarashi Tomomi Aoki Nagisa Ikemoto | 7:56.00 | Q | |
| 9 | 2 | 2 | Aleksandra Polańska Dominika Kossakowska Marta Klimek Aleksandra Knop | 8:01.70 | ||
| 10 | 2 | 1 | Erika Fairweather Carina Doyle Chelsey Edwards Eve Thomas | 8:03.28 | ||
| 11 | 1 | 2 | Camille Cheng Siobhan Haughey Ho Nam Wai Stephanie Au | 8:04.98 | ||
| 12 | 2 | 7 | Choi Jung-min Jung Hyun-young Park Na-ri Jo Hyun-ju | 8:08.38 | ||
| 13 | 1 | 7 | Quah Ting Wen Gan Ching Hwee Christie Chue Quah Jing Wen | 8:08.44 | NR | |
| 14 | 1 | 1 | Diana Durães Tamila Holub Ana Monteiro Victoria Kaminskaya | 8:29.99 |
Final
The final was held on 25 July at 21:47.| Rank | Lane | Nation | Swimmers | Time | Notes |
| 4 | Ariarne Titmus OC Madison Wilson Brianna Throssell Emma McKeon | 7:41.50 | |||
| 5 | Simone Manuel Katie Ledecky Melanie Margalis Katie McLaughlin | 7:41.87 | AM | ||
| 7 | Kayla Sanchez Taylor Ruck Emily Overholt Penny Oleksiak | 7:44.35 | NR | ||
| 4 | 6 | Yang Junxuan Wang Jianjiahe Li Bingjie Zhang Yuhan | 7:46.22 | ||
| 5 | 3 | Anna Egorova Anastasia Guzhenkova Valeriya Salamatina Veronika Andrusenko | 7:48.25 | NR | |
| 6 | 1 | Ajna Késely Evelyn Verrasztó Zsuzsanna Jakabos Katinka Hosszú | 7:54.57 | ||
| 7 | 2 | Reva Foos Isabel Marie Gose Marie Pietruschka Annika Bruhn | 7:55.63 | ||
| 8 | 8 | Rio Shirai Chihiro Igarashi Tomomi Aoki Nagisa Ikemoto | 7:56.31 |