The men's 100 metres at the 2017 Asian Athletics Championships was held on 6 and 7 July.
Qualification rule: First 3 in each heat (Q) and the next 6 fastest (q) qualified for the semifinals.
Wind:
Heat 1: -0.1 m/s, Heat 2: +0.8 m/s, Heat 3: +0.1 m/s, Heat 4: -0.2 m/s, Heat 5: 0.0 m/s, Heat 6: +0.5 m/s
Qualification rule: First 2 in each semifinal (Q) and the next 2 fastest (q) qualified for the final.
Wind:
Heat 1: 0.0 m/s, Heat 2: +1.4 m/s, Heat 3: +0.5 m/s
Wind: +0.7 m/s