Benson Kipchumba Barus (born 4 July 1980) is a Kenyan long-distance runner who competes in marathon and half marathon competitions. He has a personal best of 2:07:07 hours for the distance, set at the 2011 Prague Marathon, which he won. He also won the 2009 Turin Marathon and has placed top three in Rome, Beijing and Chuncheon.He was the 10,000 metres World Junior Champion in 1998.