The women's 100 metres hurdles at the 2012 European Athletics Championships was held at the Helsinki Olympic Stadium on 29 and 30 June.
First 3 in each heat (Q) and 4 best performers (q) advance to the Semifinals.
Wind:
Heat 1: +0.3 m/s, Heat 2: −0.1 m/s, Heat 3: −0.8 m/s, Heat 4: −0.4 m/s
First 3 in each heat (Q) and 2 best performers (q) advance to the Final.
Wind:
Heat 1: -2.3 m/s, Heat 2: +0.6 m/s
Wind: -1.4 m/s