The women's 100 metre freestyle S9 event at the 2016 Paralympic Games took place on 12 September 2016, at the Olympic Aquatics Stadium. Three heats were held. The swimmers with the eight fastest times advanced to the final.

Heats Heat 1 11:08 12 September 2016:

Rank Lane Name Nationality Time Notes 1 4 1:03.36 2 5 1:03.82 3 3 1:06.33 4 6 1:06.49 5 2 1:07.19 6 7 1:08.38 7 1 1:11.21

Heat 2 11:12 12 September 2016: Rank Lane Name Nationality Time Notes 1 4 1:03.40 2 3 1:05.08 3 5 1:05.63 4 2 1:06.90 5 6 1:07.22 6 1 1:08.34 7 7 1:09.95 8 8 1:12.41

Heat 3 11:15 12 September 2016: Rank Lane Name Nationality Time Notes 1 4 1:01.46 2 6 1:04.74 3 3 1:04.78 4 2 1:04.90 5 5 1:05.23 6 1 1:08.77 7 8 1:10.51 8 7 1:10.58

Final 19:10 12 September 2016:

Rank Lane Name Nationality Time Notes 4 1:00.91 5 1:02.81 3 1:02.93 4 6 1:03.94 5 2 1:04.32 6 1 1:05.19 6 7 1:05.19 8 8 1:06.18

Notes