Swimming at the 2014 Summer Youth Olympics – Girls' 4 × 100 metre freestyle relay
The girls' 4 × 100 metre freestyle relay event in swimming at the 2014 Summer Youth Olympics took place on 21 August at the Nanjing Olympic Sports Centre in Nanjing, China.
Results
Heats
The heats were held at 10:42.| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 2 | 2 | Daria Mullakaeva Daria S. Ustinova Irina Prikhodko Rozaliya Nasretdinova | 3:46.96 | Q | |
| 2 | 2 | 4 | Brianna Throssell Ella Bond Amy Forrester Ami Matsuo | 3:48.72 | Q | |
| 3 | 1 | 5 | Shen Duo He Yun Zhang Yufei Qiu Yuhan | 3:49.50 | Q | |
| 4 | 2 | 6 | Kim Busch Esmee Bos Robin Neumann Maaike de Waard | 3:49.98 | Q | |
| 5 | 1 | 4 | Natalia de Luccas Bruna Primati Viviane Jungblut Giovanna Diamante | 3:51.40 | Q | |
| 6 | 2 | 5 | Danielle Hanus Danika Huizinga Kelsey Wog Mackenzie Glover | 3:53.08 | Q | |
| 7 | 2 | 3 | Patricia Wartenberg Julia Willers Kathrin Demler Mandy Feldbinder | 3:53.22 | Q | |
| 8 | 1 | 2 | Clara Smiddy Hannah Moore Courtney Mykkanen Meghan Small | 3:53.43 | Q | |
| 9 | 1 | 3 | Jurina Shiga Rina Yoshimura Suzuna Onodera Miono Takeuchi | 3:56.73 | ||
| 10 | 1 | 6 | Marlies Ross Nathania van Niekerk Michelle Weber Justine MacFarlane | 3:59.05 |
Final
The final was held at 19:05.| Rank | Lane | Name | Nationality | Time | Notes |
| 3 | Qiu Yuhan He Yun Zhang Yufei Shen Duo | 3:41.19 | |||
| 4 | Rozaliya Nasretdinova Daria S. Ustinova Irina Prikhodko Daria Mullakaeva | 3:42.39 | |||
| 5 | Brianna Throssell Ella Bond Amy Forrester Ami Matsuo | 3:44.44 | |||
| 4 | 6 | Kim Busch Esmee Bos Maaike de Waard Robin Neumann | 3:45.92 | ||
| 5 | 2 | Natalia de Luccas Bruna Primati Viviane Jungblut Giovanna Diamante | 3:46.34 | ||
| 6 | 1 | Patricia Wartenberg Julia Willers Kathrin Demler Mandy Feldbinder | 3:51.12 | ||
| 7 | 8 | Clara Smiddy Hannah Moore Courtney Mykkanen Meghan Small | 3:51.37 | ||
| 8 | 7 | Mackenzie Glover Danielle Hanus Kelsey Wog Danika Huizinga | 3:54.03 |