# 2016 FINA World Swimming Championships (25 m) – 4 × 50 metre mixed medley relay

The 4 × 50 metre mixed medley relay competition of the 2016 FINA World Swimming Championships (25 m) was held on 8 December 2016.

## Records

Prior to the competition, the existing world and championship records were as follows.
| | Nation | Time | Location | Date |
| World record | United States | 1:37.17 | Glasgow | 21 December 2013 |
| Championship record | Brazil | 1:37.26 | Doha | 4 December 2014 |

## Results
### Heats

The heats were held at 11:53.
| Rank | Heat | Lane | Nation | Swimmers | Time | Notes |
| 1 | 2 | 3 | United States | Ali DeLoof (26.18) Cody Miller (25.82) Matthew Josa (22.71) Mallory Comerford (24.11) | 1:38.82 | Q |
| 2 | 3 | 9 | Russia | Grigory Tarasevich (23.73) Kirill Prigoda (25.75) Svetlana Chimrova (25.79) Rozaliya Nasretdinova (24.09) | 1:39.36 | Q |
| 3 | 3 | 5 | Brazil | Etiene Medeiros (26.18) Felipe Lima (25.70) Nicholas Santos (22.57) Larissa Oliveira (25.07) | 1:39.52 | Q |
| 4 | 3 | 3 | Canada | Javier Acevedo (24.01) Richard Funk (26.38) Katerine Savard (25.63) Michelle Williams (23.61) | 1:39.63 | Q |
| 5 | 4 | 3 | Italy | Silvia Scalia (27.34) Fabio Scozzoli (26.14) Silvia Di Pietro (25.21) Luca Dotto (21.48) | 1:40.17 | Q |
| 6 | 4 | 0 | China | Xu Jiayu (23.62) Li Xiang (26.40) Zhang Yufei (25.71) Tang Yuting (24.53) | 1:40.26 | Q |
| 7 | 2 | 6 | Japan | Emi Moronuki (27.08) Yoshiki Yamanaka (26.48) Takeshi Kawamoto (22.38) Sayuki Ouchi (24.53) | 1:40.47 | Q |
| 8 | 1 | 6 | Sweden | Jesper Björk (24.27) Johannes Skagius (25.95) Sara Junevik (25.60) Ida Lindborg (24.67) | 1:40.49 | Q |
| 9 | 1 | 5 | Belarus | Aliaksandra Herasimenia (26.87) Ilya Shymanovich (26.76) Yauhen Tsurkin (22.71) Yuliya Khitraya (24.18) | 1:40.52 | |
| 10 | 3 | 4 | Finland | Fanny Teijonsalo (28.02) Jenna Laukkanen (29.65) Riku Pöytäkivi (22.85) Ari-Pekka Liukkonen (21.01) | 1:41.53 | |
| 11 | 1 | 4 | Czech Republic | Tomas Franta (24.37) Petr Bartunek (26.85) Lucie Svěcená (25.86) Barbora Seemanová (24.92) | 1:42.00 | |
| 12 | 2 | 5 | France | Thomas Avetand (24.45) Solene Gallego (30.90) Yonel Govindin (23.89) Anna Santamans (23.71) | 1:42.95 | |
| 13 | 2 | 1 | South Africa | Mariella Venter (28.35) Giulio Zorzi (25.74) Alard Basson (24.39) Tayla Lovemore (24.88) | 1:43.36 | |
| 14 | 4 | 5 | Switzerland | Jérémy Desplanches (25.42) Martin Schweizer (26.57) Martina van Berkel (27.55) Maria Ugolkova (24.22) | 1:43.76 | |
| 15 | 4 | 1 | Latvia | Kristina Steina (28.46) Nikolajs Maskalenko (26.40) Gabriela Ņikitina (26.96) Uvis Kalnins (21.97) | 1:43.79 | |
| 16 | 3 | 6 | Iceland | David Adalsteinsson (25.15) Hrafnhildur Lúthersdóttir (30.00) Bryndis Hansen (26.17) Aron Orn Stefansson (22.52) | 1:43.84 | |
| 17 | 4 | 8 | Argentina | Gaston Hernandez (24.97) Macareno Ceballos (30.88) Marcos Barale (23.54) Andrea Berrino (24.61) | 1:44.00 | |
| 18 | 3 | 7 | Hong Kong | Wong Toto Kwan To (27.96) Chun Yan Wong (27.75) Sze Hang Yu (26.19) Kin Tat Kent Cheung (22.11) | 1:44.01 | |
| 19 | 1 | 3 | Paraguay | Charles Hockin (24.15) Renato Prono (26.34) Nicole Rautemberg (28.12) Karen Riveros (25.94) | 1:44.55 | |
| 20 | 2 | 9 | Slovakia | Karolína Hájková (28.97) Marek Botik (26.70) Barbora Mišendová (26.96) Vladimir Stefanik (22.50) | 1:45.13 | |
| 21 | 3 | 2 | Singapore | Francis Fong (25.88) Chien Yin Khoo (27.21) Marina Chan (27.02) Amanda Lim (25.59) | 1:45.70 | |
| 22 | 3 | 1 | Macau | Pok Man Ngou (26.29) Man Hou Chao (26.86) Chi Yan Tan (29.09) Lei On Kei (26.25) | 1:48.49 | |
| 23 | 2 | 2 | Zambia | Jade Howard (30.08) Alex Aziotis (29.32) Ralph Goveia (24.20) Tilka Paljk (26.41) | 1:50.01 | |
| 24 | 2 | 7 | Kenya | Steven Kimani Maina (27.47) Rebecca Kamau (32.60) Issa Abdulla Hemed Mohamed (25.10) Sylvia Brunlehner (26.00) | 1:51.17 | |
| 25 | 4 | 6 | Seychelles | Alexus Laird (29.94) Samuele Rossi (30.04) Felicity Passon (27.47) Dean Hoffmann (24.06) | 1:51.51 | |
| 26 | 3 | 8 | Panama | Hernan Gonzalez Medina (26.62) Jeancarlo Calderon Harper (30.57) Ireyra Tamayo Periñan (29.32) Catharine Cooper Gomez (26.40) | 1:52.91 | |
| 27 | 3 | 0 | Dominican Republic | Jhonny Perez (27.37) Marc Rojas (29.15) Mariel Mencia (29.92) Arianna Sanna (26.60) | 1:53.04 | |
| 28 | 4 | 9 | Angola | Joao Matias (27.14) Pedro Pinotes (29.32) Ana Sofia Nóbrega (29.12) Yara Lima (27.96) | 1:53.54 | |
| 29 | 4 | 2 | Honduras | Maeform Borriello (30.70) Marco Flores (30.38) George Jabbour (25.58) Sara Pastrana (27.11) | 1:53.77 | |
| 30 | 4 | 4 | Curaçao | Adrian Hoek (27.42) Rainier Rafaela (29.51) Chade Nersicio (29.07) Tiareth Cijntje (27.99) | 1:53.99 | |
| 31 | 2 | 4 | Albania | Kennet Libohova (29.35) Deni Baholli (30.67) Diana Basho (33.36) Alesia Neziri (29.45) | 2:02.83 | |
| | 1 | 5 | Fiji | | | DNS |

### Final

The final was held at 20:20.
| Rank | Lane | Nation | Swimmers | Time | Notes |
| | 4 | United States | Tom Shields (23.45) Lilly King (28.74) Kelsi Worrell (24.59) Michael Chadwick (20.44) | 1:37.22 | CR |
| | 3 | Brazil | Etiene Medeiros (25.93) Felipe Lima (25.46) Nicholas Santos (21.93) Larissa Oliveira (24.42) | 1:37.74 | |
| | 1 | Japan | Junya Koga (22.74) Yoshiki Yamanaka (26.48) Rikako Ikee (24.89) Sayuki Ouchi (24.34) | 1:38.45 | |
| 4 | 7 | China | Xu Jiayu (23.35) Yan Zibei (26.13) Zhang Yufei (25.51) Zhu Menghui (23.94) | 1:38.93 | |
| 5 | 6 | Canada | Javier Acevedo (23.58) Richard Funk (26.31) Katerine Savard (25.42) Michelle Williams (23.67) | 1:38.98 | |
| 6 | 5 | Russia | Andrey Shabasov (23.61) Kirill Prigoda (25.63) Svetlana Chimrova (25.80) Rozaliya Nasretdinova (24.07) | 1:39.11 | |
| 7 | 8 | Sweden | Jesper Björk (24.41) Johannes Skagius (25.69) Sara Junevik (25.78) Ida Lindborg (24.63) | 1:40.51 | |
| | 2 | Italy | Silvia Scalia (27.31) Fabio Scozzoli (25.63) Silvia Di Pietro (25.05) Luca Dotto | | DSQ |