Munyoro Nyamau (Hezekiah Munyoro Nyamau; born 5 December 1942 or 6 December 1938) is a Kenyan former athlete and winner of the gold medal in the 4 × 400 m relay at the 1972 Summer Olympics. He won inter-school championships in Kisii when he was 15. He reached the semifinals of the 400 m and won a surprise silver medal as a member of the Kenyan 4 × 400 m relay team at the 1968 Summer Olympics. His teammates were Daniel Rudisha, Naftali Bon and Charles Asati. He joined the Kenya Army in 1963 and was employed by them until his retirement in 1997.