Swimming at the 1920 Summer Olympics – Women's 4 × 100 metre freestyle relay

The women's 4 × 100 metre freestyle relay was a swimming event held as part of the swimming at the 1920 Summer Olympics programme. It was the second appearance of the event.

A total of twelve swimmers, representing three teams from three nations, competed in the event, which was held on Sunday, August 29, 1920. The United States women, who had already swept all six medals in the 100 metre and 300 metre event, won easily. Ethelda Bleibtrey won her third gold medal.