Claudia Pechstein (born 22 February 1972) is a German speed skater. She has won five Olympic gold medals. With a total of nine Olympic medals, five gold, two silver and two bronze, she was the most successful Olympic speed skater, male or female, of all-time, until the gold medal of Ireen Wüst in the 2018 Winter Olympics of PyeongChang, and also the most successful German Winter Olympian of all-time.

After the World Championships in Norway in February 2009, Pechstein was accused of blood doping and banned from all competitions for two years.

Pechstein was born in East Berlin. She held a world record on the 5000 m track with the time 6:46.91 achieved on the Utah Olympic Oval in Salt Lake City on 23 February 2002, which was beaten by Martina Sáblíková on the same oval five years later. Pechstein is a sergeant in the German Federal Police and trains at the force's sports training centre at Bad Endorf.

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