Athletics at the 2012 Summer Paralympics – Men's 100 metres T13

The Men's 100m T13 event for the 2012 Summer Paralympics took place at the London Olympic Stadium on 31 August and on 1 September.

Heats
Heats took place on 31 August 2012. Jason Smyth broke his own world record in 10.54, while Jonathan Ntutu broke the African record.

Final
The final took place on 1 September 2012. Jason Smyth of Ireland won gold in a new world record time of 10.46. Luis Felipe Gutierrez took silver for his second medal of the Games, with the South African Ntutu just clinching bronze.