2021 World Athletics Relays – Women's 4 × 100 metres relay

The women's 4 × 100 metres relay at the 2021 World Athletics Relays was held at the Silesian Stadium on 1 and 2 May.

2021 World Athletics Relays – Women's 4 × 100 metres relay

The women's 4 × 100 metres relay at the 2021 World Athletics Relays was held at the Silesian Stadium on 1 and 2 May.