Swimming at the 2014 Summer Youth Olympics – Girls' 4 × 100 metre medley relay
The girls' 4 × 100 metre medley relay event in swimming at the 2014 Summer Youth Olympics took place on 18 August at the Nanjing Olympic Sports Centre in Nanjing, China.
Results
Heats
The heats were held at 11:03.| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 1 | 5 | Jessica Fullalove Georgina Evans Charlotte Atkinson Amelia Maughan | 4:09.83 | Q | |
| 2 | 2 | 6 | Qiu Yuhan He Yun Zhang Yufei Shen Duo | 4:10.15 | Q | |
| 3 | 2 | 4 | Amy Forrester Ella Bond Brianna Throssell Ami Matsuo | 4:11.22 | Q | |
| 4 | 1 | 4 | Danielle Hanus Kelsey Wog Danika Huizinga Mackenzie Glover | 4:11.79 | Q | |
| 5 | 2 | 5 | Mandy Feldbinder Julia Willers Kathrin Demler Patricia Wartenberg | 4:12.50 | Q | |
| 6 | 2 | 2 | Nathania van Niekerk Justine MacFarlane Marlies Ross Michelle Weber | 4:15.13 | Q | |
| 7 | 1 | 6 | Irina Prikhodko Daria Mullakaeva Rozaliya Nasretdinova Daria S. Ustinova | 4:16.42 | Q | |
| 8 | 2 | 3 | Miono Takeuchi Suzuna Onodera Jurina Shiga Rina Yoshimura | 4:17.11 | Q | |
| 9 | 2 | 7 | Hannah Moore Meghan Small Courtney Mykkanen Clara Smiddy | 4:17.20 | ||
| 10 | 1 | 2 | Laura Yus África Zamorano Jimena Pérez Sandra Pallarés | 4:17.48 | ||
| 1 | 3 | DNS |
Final
The final was held at 19:29.| Rank | Lane | Name | Nationality | Time | Notes |
| 5 | Qiu Yuhan He Yun Zhang Yufei Shen Duo | 4:03.58 | WJR | ||
| 4 | Jessica Fullalove Georgina Evans Charlotte Atkinson Amelia Maughan | 4:05.75 | |||
| 3 | Amy Forrester Ella Bond Brianna Throssell Ami Matsuo | 4:06.38 | |||
| 4 | 2 | Mandy Feldbinder Julia Willers Kathrin Demler Patricia Wartenberg | 4:10.54 | ||
| 5 | 6 | Danielle Hanus Kelsey Wog Danika Huizinga Mackenzie Glover | 4:10.73 | ||
| 6 | 1 | Irina Prikhodko Daria S. Ustinova Rozaliya Nasretdinova Daria Mullakaeva | 4:13.77 | ||
| 7 | 7 | Nathania van Niekerk Justine MacFarlane Marlies Ross Michelle Weber | 4:15.44 | ||
| 8 | 8 | Miono Takeuchi Suzuna Onodera Jurina Shiga Rina Yoshimura | 4:16.71 |