2021 World Athletics U20 Championships – Women's 4 × 100 metres relay
The women's 4 × 100 metres relay at the 2021 World Athletics U20 Championships was held at the Kasarani Stadium on 22 August. Records

Results
The final was held on 22 August at 16:32. References

Relay 4 x 100 metres
Relays at the World Athletics U20 Championships
U20