Kerstin Knabe ( Claus, born 7 July 1959 in Oschatz, Bezirk Leipzig) is a German former athlete who ran for East Germany. She made her Olympic debut at the 1980 Games, placing 4th in the 100 m hurdles. Knabe did not participate in the 1984 Olympic Games in Los Angeles because of a boycott of those Games by East Germany.