The Men's 100m T13 event at the 2016 Summer Paralympics took place at the Estádio Olímpico João Havelange in Rio de Janeiro between 8–9 September.

Athletes in this category have a variety of visual impairments, but can typically recognize contours from a distance of 2 to 6 metres.

Ireland's Jason Smyth won the gold medal for the third consecutive Games, after Beijing 2008 and London 2012.

Johannes Nambala from Namibia finished second and Australia's Chad Perris won the bronze medal.

[2] Qualification rule: First 3 in each heat (Q) and the next two fastest (q) advance to the final.