Peter Cheruiyot Kirui (born 2 January 1988) is a Kenyan long-distance runner who competes over 10,000 metres on the track and in road running competitions.
He was the 2011 Kenyan champion over 10,000 m and came sixth at the 2011 World Championships in Athletics.
He has acted as a pacemaker for major marathons (including Patrick Makau's world record in 2011) and has a marathon best of 2:06:31 hours.