The Men's 100 metres T11 event for the 2012 Summer Paralympics took place at the London Olympic Stadium on 7 and 8 September.

A T11 athlete may be entirely without sight, or be able to perceive light, but have no ability to see the shape of a hand at any distance.

Prior to the competition, the existing World and Paralympic records were as follows.

rule: winner of each heat (Q) plus the 7 fastest other times (q) qualified.

rule: winner of each heat (Q) plus best second place (q) qualified.