Milcah Chemos Cheywa (born 24 February 1986 in Bugaa, Mount Elgon District)[1][2] is a runner from Kenya who specialises in 3000 metres steeplechase.

[4] Competing in the 2009 World Championships, she won a bronze medal in a personal best 9:08.57, behind Marta Domínguez and Yuliya Zarudneva.

[1][7] As a result of her successes during the 2010 season, Chemos was one of five females shortlisted for the IAAF World Athlete of the Year award, won by high jumper Blanka Vlašić.

However, she was unable to improve upon her bronze medal of two years previous, finishing in third place, over 10 seconds behind race winner Yuliya Zaripova.

[12] She began the 2012 IAAF Diamond League season in dominant fashion, winning the steeplechase in Shanghai, Eugene and Oslo.