Josephat Muchiri Ndambiri (born 12 February 1985) is a Kenyan long-distance runner. He represented his country at the World Championships in Athletics in 2007. He is based in Japan and trains with PACE Sports Management. He moved to Japan as a teenager on an athletic scholarship and specialised in long-distance track running, including the 5000 metres and 10,000 metres. He competed for, and graduated from, Ryutsu Keizai University.