Swimming at the 2012 Summer Paralympics – Women's 400 metre freestyle S9

The women's 400m freestyle S9 event at the 2012 Summer Paralympics took place at the London Aquatics Centre on 4 September. There were two heats; the swimmers with the eight fastest times advanced to the final.

Heats
Competed from 10:19.

Final
Competed at 18:10. 'Q = qualified for final. EU = European Record. OC = Oceania Record.