Vivian Jepkemoi Cheruiyot (born 11 September 1983) is a Kenyan long-distance runner who specialises in track and cross country running. She represented Kenya at the Summer Olympics in 2000, 2008, 2012, and 2016, winning a silver medal at the 5000 m and bronze medal at the 10000 m at the 2012 Olympics, silver medal at the 10000 m and gold medal at the 5000 m at the 2016 Olympics, setting the new Olympic record in 5000 m event. Cheruiyot won a silver medal in the 5000 metres at the 2007 World Championships in Athletics and became the world champion in the event at the 2009 edition, repeating this achievement at the 2011 World Championships, where she also won the 10000 m.