Aleksandra Ivanovna Koliaseva (, born 18 August 1968) is a former Soviet Union and Russian road racing cyclist. She won a gold medal at the UCI Road World Championships in the team time trial in 1993 and 1994 and a bronze medal in 1992. In 1995 she became Russian national champion in the road race and in 1996 she won the Tour de l'Aude. She is the mother of racing cyclist Pavel Sivakov.