Olga Medvedtseva is a Russian cross-country skier born in 1975 in Krasnoyarsk. She won gold in the 10km pursuit and bronze in the team relay at the 2002 Winter Olympics. At the 2006 Olympics, she won silver in the 15km individual race but was disqualified and banned for two years after testing positive for a banned stimulant. The IOC expelled her from the games and stripped her of her medal.