Doris Chepkwemoi Changeywo (born 12 December 1984) is a Kenyan professional long-distance runner who specialises in the 10,000 metres and cross country running. She began to enjoy success in athletics in 2006, becoming the East African cross country champion and winning at the first race. She gained her first major title at the 2007 Military World Games, winning the 10,000 metres gold medal. The following year she came third at the Kenyan cross championships and gained selection for the 2008 IAAF World Cross Country Championships, where she finished in fourth place and helped Kenya to the women's team silver medal. She was the winner of the 2008 edition of the Great Ireland Run and also won the that year.