The women's 100 metres at the 2011 Asian Athletics Championships was held at the Kobe Universiade Memorial Stadium on 7–8 July.
First 2 in each heat (Q) and 2 best performers (q) advanced to the final.
Wind:Heat 1: +0.3 m/s, Heat 2: –0.1 m/s, Heat 3: +1.0 m/s Wind: +1.9 m/s