Swimming at the 2017 World Aquatics Championships – Women's 4 × 200 metre freestyle relay
# Swimming at the 2017 World Aquatics Championships – Women's 4 × 200 metre freestyle relay

The Women's 4 × 200 metre freestyle relay competition at the 2017 World Championships was held on 27 July 2017.

## 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 |

## Results

### Heats

The heats were held at 10:48.

| Rank | Lane | Nation | Swimmers | Time | Notes |
| - | - | - | - | - | - |
| 1 | 6 | China | Zhang Yuhan (1:57.13) Liu Zixuan (1:56.82) Wang Jingzhuo (1:59.09) Shen Duo (1:58.71) | 7:51.75 | Q |
| 2 | 8 | Japan | Chihiro Igarashi (1:58.74) Rikako Ikee (1:58.53) Tomomi Aoki (1:58.64) Aya Takano (1:57.76) | 7:53.67 | Q |
| 3 | 4 | United States | Melanie Margalis (1:56.58) Cierra Runge (1:59.17) Hali Flickinger (1:58.46) Madisyn Cox (1:59.52) | 7:53.73 | Q |
| 4 | 5 | Australia | Madison Wilson (1:57.88) Kotuku Ngawati (1:58.82) Shayna Jack (1:58.77) Leah Neale (1:59.27) | 7:54.74 | Q |
| 5 | 1 | Netherlands | Robin Neumann (1:59.00) Femke Heemskerk (1:56.51) Esmee Vermeulen (1:59.09) Marjolein Delno (2:00.56) | 7:55.16 | Q |
| 6 | 2 | Russia | Daria Ustinova (1:59.00) Viktoriya Andreyeva (1:57.95) Anastasia Guzhenkova (2:00.06) Arina Openysheva (1:58.66) | 7:55.67 | Q |
| 7 | 7 | Hungary | Ajna Késely (1:58.60) Evelyn Verrasztó (1:58.90) Zsuzsanna Jakabos (1:57.54) Fanni Gyurinovics (2:00.73) | 7:55.77 | Q |
| 8 | 3 | Canada | Katerine Savard (1:59.16) Mary-Sophie Harvey (1:59.39) Rebecca Smith (1:58.54) Kayla Sanchez (1:59.40) | 7:56.49 | Q |
| 9 | 0 | Italy | Alice Mizzau (1:59.56) Stefania Pirozzi (1:59.58) Anna Mascolo (2:01.68) Simona Quadarella (2:02.00) | 8:02.82 | |
| 10 | 9 | Denmark | Signe Bro (2:01.29) Marina Hansen (2:00.56) Maj Howardsen (2:02.38) Anina Lund (2:02.44) | 8:06.67 | |

### Final

The final was held at 19:16.

| Rank | Lane | Nation | Swimmers | Time | Notes |
| - | - | - | - | - | - |
| | 3 | United States | Leah Smith (1:55.97) Mallory Comerford (1:56.92) Melanie Margalis (1:56.48) Katie Ledecky (1:54.02) | 7:43.39 | |
| | 4 | China | Ai Yanhan (1:56.62) Liu Zixuan (1:56.34) Zhang Yuhan (1:56.54) Li Bingjie (1:55.46) | 7:44.96 | |
| | 6 | Australia | Madison Wilson (1:57.33) Emma McKeon (1:56.26) Kotuku Ngawati (1:58.31) Ariarne Titmus (1:56.61) | 7:48.51 | |
| 4 | 7 | Russia | Veronika Popova (1:55.95) Viktoriya Andreyeva (1:57.48) Daria Ustinova (1:56.93) Arina Openysheva (1:58.23) | 7:48.59 | NR |
| 5 | 5 | Japan | Chihiro Igarashi (1:57.84) Rikako Ikee (1:57.38) Tomomi Aoki (1:57.72) Aya Takano (1:57.49) | 7:50.43 | NR |
| 6 | 1 | Hungary | Ajna Késely (1:58.62) Zsuzsanna Jakabos (1:58.09) Evelyn Verrasztó (1:58.34) Katinka Hosszú (1:56.28) | 7:51.33 | |
| 7 | 2 | Netherlands | Robin Neumann (1:58.83) Femke Heemskerk (1:55.46) Esmee Vermeulen (1:59.55) Marjolein Delno (2:00.45) | 7:54.29 | |
| 8 | 8 | Canada | Mary-Sophie Harvey (1:58.57) Rebecca Smith (1:58.70) Katerine Savard (1:58.23) Mackenzie Padington (2:00.07) | 7:55.57 | |
