Swimming at the 1984 Summer Olympics – Women's 4 × 100 metre freestyle relay

The final of the women's 4 × 100 metre freestyle relay event at the 1984 Summer Olympics was held in Los Angeles, California, on July 31, 1984.

Records
Prior to this competition, the existing world and Olympic records were as follows.

Heats
Rule: The eight fastest teams advance to the final (Q).