| 12 September|
| 10 from 10 nations|
| Beijing National Aquatics Center|
The women's 100m breaststroke SB4 event at the 2008 Summer Paralympics took place at the Beijing National Aquatics Center on 12 September. There were two heats; the swimmers with the eight fastest times advanced to the final.
Swimming at the 2008 Summer Paralympics – Women's 100 metre breaststroke SB4 Wikipedia
Competed from 10:09.
Competed at 18:20.
Q = qualified for final.