The Women's keirin at the 2012 UCI Track Cycling World Championships was held on April 7.
The riders that did not advance to the second round raced in 4 repechage heats.
The first rider in each heat advanced to the second round along with the 8 that qualified before.
The first 3 riders from each of the 2 Second Round heats advanced to the Final and the remaining riders raced a consolation 7–12 final.
[2] The first round repechage was held at 15:40.