2014 FINA World Swimming Championships (25 m) – Women's 4 × 100 metre medley relay
The Women's 4 × 100 metre medley relay competition of the 2014 FINA World Swimming Championships was held on 7 December.
Records
Prior to the competition, the existing world and championship records were as follows.| Nation | Time | Location | Date | |
| World record | 3:45.56 | Atlanta | 16 December 2011 | |
| Championship record | 3:48.29 | Dubai | 17 December 2010 |
Results
Heats
The heats were held at 11:39.| Rank | Heat | Lane | Nation | Swimmers | Time | Notes |
| 1 | 1 | 5 | Mie Nielsen Rikke Møller Pedersen Jeanette Ottesen Pernille Blume | 3:52.90 | Q | |
| 2 | 1 | 4 | Sayaka Akase Satomi Suzuki Rino Hosoda Miki Uchida | 3:53.14 | Q | |
| 3 | 2 | 8 | Madison Wilson Leiston Pickett Brianna Throssell Bronte Campbell | 3:53.66 | Q | |
| 4 | 2 | 6 | Michelle Coleman Jennie Johansson Louise Hansson Sarah Sjöström | 3:53.70 | Q | |
| 5 | 2 | 2 | Arianna Barbieri Arianna Castiglioni Elena di Liddo Aglaia Pezzato | 3:54.32 | Q | |
| 6 | 2 | 1 | Mimosa Jallow Jenna Laukkanen Emilia Pikkarainen Hanna-Maria Seppälä | 3:55.65 | Q | |
| 7 | 1 | 8 | Jenny Mensing Vanessa Grimberg Franziska Hentke Annika Bruhn | 3:55.69 | Q | |
| 8 | 1 | 1 | Daria Ustinova Valentina Artemeva Svetlana Chimrova Elena Sokolova | 3:55.77 | Q | |
| 9 | 2 | 5 | Kathleen Baker Caitlin Leverenz Claire Donahue Amanda Weir | 3:56.39 | ||
| 10 | 1 | 3 | Wang Xueer He Yun Zhang Yufei Zhang Jiaqi | 3:57.06 | ||
| 11 | 2 | 3 | Simona Baumrtová Petra Choková Lucie Svěcená Anna Kolárová | 3:57.11 | ||
| 12 | 1 | 0 | Ekaterina Avramova Viktoria Güneş Nida Eliz Üstündağ İlknur Nihan Çakıcı | 4:00.82 | ||
| 13 | 1 | 2 | Lehesta Kemp Tatjana Schoenmaker Rene Warnes Trudi Maree | 4:10.52 | ||
| 14 | 2 | 7 | Zanre Oberholzer Daniela Lindemeier Sonja Adelaar Antonia Roth | 4:20.81 | ||
| 15 | 2 | 9 | Aditi Dhumatkar Anusha Sanjeev Mehta Malavika Vishwanath Thalasha Satish Prabhu | 4:43.40 | ||
| — | 1 | 6 | DNS | |||
| — | 1 | 7 | DNS | |||
| — | 2 | 0 | DNS | |||
| — | 2 | 4 | DNS |
Final
The final was held at 20:27.| Rank | Lane | Nation | Swimmers | Time | Notes |
| 4 | Mie Nielsen Rikke Møller Pedersen Jeanette Ottesen Pernille Blume | 3:48.86 | ER | ||
| 3 | Madison Wilson Sally Hunter Emily Seebohm Bronte Campbell | 3:50.31 | |||
| 5 | Sayaka Akase Kanako Watanabe Rino Hosoda Miki Uchida | 3:50.50 | |||
| 4 | 6 | Michelle Coleman Jennie Johansson Sarah Sjöström Louise Hansson | 3:51.64 | ||
| 5 | 8 | Daria Ustinova Mariia Astashkina Svetlana Chimrova Veronika Popova | 3:53.68 | ||
| 6 | 7 | Mimosa Jallow Jenna Laukkanen Emilia Pikkarainen Hanna-Maria Seppälä | 3:54.81 | ||
| 7 | 2 | Arianna Barbieri Arianna Castiglioni Ilaria Bianchi Erika Ferraioli | 3:55.15 | ||
| 8 | 1 | Jenny Mensing Vanessa Grimberg Franziska Hentke Annika Bruhn | 3:55.29 |