The women's 100 metre freestyle was a swimming event held as part of the swimming at the 1928 Summer Olympics programme. It was the fourth appearance of the event, which was established in 1912. The competition was held on Friday August 10, 1928, and on Saturday August 11, 1928.
Twenty-four swimmers from eleven nations competed.
These were the standing world and Olympic records (in seconds) prior to the 1928 Summer Olympics.
In the first semi-final Albina Osipowich equalized the standing Olympic record with 1:12.2 minutes. In the second semi-final Eleanor Garatti improved the record with a time of 1:11.4 minutes. But in the final Albina Osipowich again bettered the Olympic record to 1:11.0 minutes.
The fastest two in each heat and the fastest third-placed from across the heats advanced.
Heat 1
Heat 2
Heat 3
Heat 4
Heat 5
Heat 6
The fastest three in each semi-final advanced.
Semifinal 1
Semifinal 2
Saturday August 11, 1928: