Olga Kotlyarova
 Olga Kotlyarova (born April 12 1976 in Sverdlovsk) is a Russian runner. She used to compete mainly in 400 metres and has an Olympic bronze medal from 2000 in relay. She is also a world champion (indoor and outdoor) in this event.In 2005 she concentrated more on the 800 metres distance managing to set a new personal best and to finish fourth at the World Athletics Final.In August 2006 she became the European Champion on the 800 metres.