2021 World Athletics U20 Championships – Women's 4 × 400 metres relay
# 2021 World Athletics U20 Championships – Women's 4 × 400 metres relay

The women's 4 × 400 metres relay at the 2021 World Athletics U20 Championships was held at the Kasarani Stadium on 22 August.

## Records

Standing records prior to the 2021 World Athletics U20 Championships :

| World U20 Record | United States | 3:27.60 | Grosseto, Italy | 18 July 2004 |
| - | - | - | - | - |
| Championship Record | United States | 3:27.60 | Grosseto, Italy | 18 July 2004 |
| World U20 Leading | Germany | 3:35.38 | Tallinn, Estonia | 18 July 2021 |

## Results

The final was held on 22 August at 17:55.

| Rank | Nation | Athletes | Time | Notes |
| - | - | - | - | - |
| | Nigeria | Opeyemi Deborah Oke, Imaobong Nse Uko, Ella Onojuvwevwo, Favour Ofili | 3:31.46 | WU20L |
| | Jamaica | Annalee Robinson, Aalliyah Francis, Alliah Baker, Daena Dyer | 3:36.57 | SB |
| | Italy | Alessandra Iezzi, Federica Pansini, Angelica Ghergo, Alexandra Almici | 3:37.18 | |
| 4 | India | Payal Vohra, Summy, Rajitha Kunja, Priya Mohan | 3:40.45 | SB |
| 5 | Czech Republic | Nikola Bišová, Karolína Mitanová, Kateřina Matoušková, Lucie Zavadilová | 3:41.59 | |
| 6 | South Africa | Precious Molepo, Angelique Strydom, Charlize Eilerd, Jada van Staden | 3:43.16 | SB |
| 7 | Ethiopia | Amarech Zago, Hana Tadesse, Meheret Ashamo, Nigist Getachew | 3:43.37 | SB |
| 8 | Slovenia | Eva Murn, Veronika Sadek, Neža Dolenc, Petja Klojčnik | 3:49.36 | |
