Swimming at the 2012 Summer Paralympics – Men's 100 metre butterfly S12

The men's 100m butterfly S12 event at the 2012 Summer Paralympics took place at the London Aquatics Centre on 2 September. There were two heats; the swimmers with the eight fastest times advanced to the final.

Heats
Competed from 10:56.

Final
Competed at 19:02. Q = qualified for final.