# 2016 FINA World Swimming Championships (25 m) – Women's 4 × 100 metre medley relay

The Women's 4 × 100 metre medley relay competition of the 2016 FINA World Swimming Championships (25 m) was held on 11 December 2016.

## Records

Prior to the competition, the existing world and championship records were as follows.
| | Nation | Time | Location | Date |
| World record | United States | 3:45.20 | Indianapolis | 11 December 2015 |
| Championship record | China | 3:48.29 | Dubai | 17 December 2010 |

## Results
### Heats

The heats were held at 10:34.
| Rank | Heat | Lane | Nation | Swimmers | Time | Notes |
| 1 | 3 | 5 | United States | Hellen Moffitt (58.32) Molly Hannis (1:03.54) Sarah Gibson (57.81) Amanda Weir (53.18) | 3:52.85 | Q |
| 2 | 2 | 5 | Japan | Emi Moronuki (58.22) Miho Teramura (1:03.88) Rikako Ikee (56.74) Tomomi Aoki (54.13) | 3:52.97 | Q |
| 3 | 2 | 3 | Australia | Emily Seebohm (56.97) Jessica Hansen (1:05.31) Emily Washer (57.58) Brittany Elmslie (53.12) | 3:52.98 | Q |
| 4 | 2 | 8 | Canada | Hilary Caldwell (57.84) Rachel Nicol (1:05.94) Katerine Savard (56.90) Taylor Ruck (53.00) | 3:53.68 | Q |
| 5 | 3 | 7 | Italy | Silvia Scalia (58.50) Martina Carraro (1:05.66) Silvia Di Pietro (57.18) Federica Pellegrini (53.26) | 3:54.60 | Q |
| 6 | 2 | 7 | Russia | Mariia Kameneva (58.37) Natalia Ivaneeva (1:05.10) Veronika Popova (58.04) Rozaliya Nasretdinova (54.14) | 3:55.65 | Q |
| 7 | 3 | 4 | China | Chen Jie (57.39) Shi Jinglin (1:07.33) Zhang Yufei (57.41) Zhu Menghui (54.08) | 3:56.21 | Q |
| 8 | 3 | 6 | Great Britain | Georgia Davies (56.86) Molly Renshaw (1:06.13) Laura Stephens (58.62) Kathleen Dawson (55.03) | 3:56.64 | Q |
| 9 | 3 | 8 | Czech Republic | Simona Baumrtová (57.77) Martina Moravčíková (1:07.32) Lucie Svěcená (58.13) Barbora Seemanová (53.64) | 3:56.86 | |
| 10 | 3 | 3 | Sweden | Hanna Rosvall (1:00.12) Jessica Eriksson (1:05.73) Sara Junevik (58.78) Nathalie Lindborg (54.71) | 3:59.34 | |
| 11 | 3 | 2 | Iceland | Eygló Gústafsdóttir (58.14) Hrafnhildur Lúthersdóttir (1:06.20) Bryndis Hansen (59.71) Johanna Gústafsdóttir (56.03) | 4:00.08 | |
| 12 | 2 | 2 | Finland | Jenna Laukkanen (59.92) Silja Kansakoski (1:05.84) Emilia Bottas (1:00.63) Hanna-Maria Seppälä (53.82) | 4:00.21 | |
| 13 | 2 | 6 | France | Mathilde Cini (1:00.01) Solene Gallego (1:08.23) Marie Wattel (58.78) Mélanie Henique (55.17) | 4:02.19 | |
| 14 | 2 | 4 | Hong Kong | Wong Toto Kwan To (1:00.07) Yeung Jamie Zhen Mei (1:08.32) Chan Kin Lok (1:01.94) Sze Hang Yu (54.28) | 4:04.61 | |
| 15 | 2 | 1 | Singapore | Hoong En Qi (1:05.22) Samantha Yeo (1:08.60) Marina Chan (1:02.05) Amanda Lim (56.48) | 4:12.35 | |
| 16 | 1 | 4 | Algeria | Amel Melih (1:01.95 NR) Hannah Taleb-Bendiab (1:11.23) Hamida Nefsi (1:04.44) Souad Cherouati (1:01.11) | 4:18.73 | |
| | 1 | 5 | South Africa | | | DNS |
| | 2 | 0 | Venezuela | | | DNS |
| | 3 | 0 | Austria | | | DNS |
| | 3 | 1 | Paraguay | | | DNS |
| | 1 | 3 | Denmark | Mie Nielsen (57.68) Matilde Schroder (1:07.10) Emilie Beckmann Signe Bro | | DSQ |

### Final

The final was held at 20:29.
| Rank | Lane | Nation | Swimmers | Time | Notes |
| | 4 | United States | Ali DeLoof (56.68) Lilly King (1:03.71) Kelsi Worrell (55.48) Mallory Comerford (52.02) | 3:47.89 | CR |
| | 6 | Canada | Kylie Masse (56.29) Rachel Nicol (1:05.13) Katerine Savard (56.38) Penny Oleksiak (51.07) | 3:48.87 | |
| | 3 | Australia | Emily Seebohm (56.18) Jessica Hansen (1:04.83) Emily Washer (56.90) Brittany Elmslie (51.75) | 3:49.66 | |
| 4 | 5 | Japan | Emi Moronuki (58.25) Miho Teramura (1:03.56) Rikako Ikee (55.43) Tomomi Aoki (53.04) | 3:50.28 | |
| 5 | 1 | China | Chen Jie (57.63) Shi Jinglin (1:04.69) Zhang Yufei (56.39) Zhu Menghui (52.30) | 3:51.01 | |
| 6 | 7 | Russia | Mariia Kameneva (57.66) Natalia Ivaneeva (1:05.07) Svetlana Chimrova (57.47) Veronika Popova (52.75) | 3:52.95 | |
| 7 | 2 | Italy | Silvia Scalia (58.82) Martina Carraro (1:05.43) Silvia Di Pietro (56.38) Federica Pellegrini (52.95) | 3:53.58 | |
| 8 | 8 | Great Britain | Georgia Davies (56.83) Chloe Tutton (1:04.72) Laura Stephens (58.67) Georgia Coates (54.32) | 3:54.54 | |