Rayton Nduku Okwiri (born March 26, 1986) is a Kenyan boxer born in Butere Kenya. He qualified for the 2016 Summer Olympics, which were held in Rio de Janeiro, Brazil. Okwiri qualified for the welterweight class in Rio by capturing gold at the 2016 African Boxing Olympic Qualification Tournament. He defeated Ghana's Mohameed Azumah in the semifinals to earn a spot on Kenya's Olympic team, then defeated Egypt's Walid Sedik Mohamed in the final.