Swimming at the 2013 World Aquatics Championships – Women's 4 × 100 metre freestyle relay
The women's 4 × 100 metre freestyle relay event in swimming at the 2013 World Aquatics Championships took place on 28 July at the Palau Sant Jordi in Barcelona, Spain.
Records
Prior to this competition, the existing world and championship records were:Results
Heats
The heats were held at 12:10.| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 2 | 5 | Simone Manuel Natalie Coughlin Elizabeth Pelton Megan Romano | 3:36.22 | Q | |
| 2 | 2 | 4 | Bronte Campbell Emma McKeon Brittany Elmslie Emily Seebohm | 3:36.46 | Q | |
| 3 | 1 | 6 | Victoria Poon Sandrine Mainville Chantal van Landeghem Samantha Cheverton | 3:38.03 | Q, NR | |
| 4 | 1 | 3 | Michelle Coleman Louise Hansson Sarah Sjöström Nathalie Lindborg | 3:38.07 | Q | |
| 5 | 2 | 6 | Veronika Popova Victoria Andreeva Mariya Baklakova Margarita Nesterova | 3:38.32 | Q | |
| 6 | 1 | 4 | Inge Dekker Femke Heemskerk Esmee Vermeulen Elise Bouwens | 3:38.41 | Q | |
| 7 | 1 | 2 | Dorothea Brandt Britta Steffen Daniela Schreiber Alexandra Wenk | 3:39.19 | Q | |
| 8 | 2 | 3 | Haruka Ueda Misaki Yamaguchi Miki Uchida Yayoi Matsumoto | 3:39.24 | Q | |
| 9 | 1 | 5 | Qiu Yuhan Pang Jiaying Wang Haibing Chen Xinyi | 3:39.29 | ||
| 10 | 2 | 2 | Alice Mizzau Federica Pellegrini Silvia di Pietro Erika Ferraioli | 3:39.50 | NR | |
| 11 | 2 | 1 | Larissa Oliveira Daynara de Paula Graciele Herrmann Alessandra Marchioro | 3:41.05 | SA | |
| 12 | 1 | 7 | Marta Gonzaléz Patricia Castro Beatriz Gómez Cortés Melanie Costa | 3:42.08 | NR | |
| 13 | 2 | 8 | Ingvild Snildal Susann Bjornsen Monica Johannessen Henriette Brekke | 3:45.01 | ||
| 14 | 2 | 7 | Quah Ting Wen Amanda Lim Mylene Ong Lynette Lim | 3:48.85 | ||
| 15 | 1 | 8 | Hwang Seo-Jin Kim Go-Eun Han Na-Kyeong An Se-Hyeon | 3:55.67 | ||
| 1 | 1 |
Final
The final was held at 19:17.| Rank | Lane | Nation | Swimmers | Time | Notes |
| 4 | Missy Franklin Natalie Coughlin Shannon Vreeland Megan Romano | 3:32.31 | AM | ||
| 5 | Cate Campbell OC Bronte Campbell Emma McKeon Alicia Coutts | 3:32.43 | OC | ||
| 7 | Elise Bouwens Femke Heemskerk Inge Dekker Ranomi Kromowidjojo | 3:35.77 | |||
| 4 | 6 | Michelle Coleman Louise Hansson Sarah Sjöström Nathalie Lindborg | 3:36.56 | ||
| 5 | 3 | Victoria Poon Sandrine Mainville Chantal van Landeghem Samantha Cheverton | 3:37.09 | NR | |
| 6 | 2 | Veronika Popova Victoria Andreeva Mariya Baklakova Margarita Nesterova | 3:38.45 | ||
| 7 | 8 | Haruka Ueda Misaki Yamaguchi Miki Uchida Yayoi Matsumoto | 3:39.45 | ||
| 8 | 1 | Dorothea Brandt Britta Steffen Alexandra Wenk Daniela Schreiber | 3:39.57 |