Irene Chepet Cheptai (born 4 February 1992) is a Kenyan professional long-distance runner who competes in track and cross country running. She was the gold medallist at the 2017 IAAF World Cross Country Championships and led Kenya to the team title. Prior to that she was a junior silver medallist at the IAAF World Cross Country Championships in 2008 and represented Kenya in the senior race in 2013 and 2015, winning team medals both times.