| London Aquatics Centre|
15 from 10 nations
| 30 August|
The women's 100m butterfly S8 event at the 2012 Summer Paralympics took place at the London Aquatics Centre on 30 August. There were two heats; the swimmers with the eight fastest times advanced to the final.
Swimming at the 2012 Summer Paralympics – Women's 100 metre butterfly S8 Wikipedia
Competed from 10:31.
Competed at 18:30.
'Q = qualified for final. PR = Paralympic Record. OC = Oceania Record.