Mekseb Debesay Abrha (born 16 June 1991) is an Eritrean racing cyclist, who last rode for UCI Continental team . He rode at the 2014 UCI Road World Championships, as well as the 2015 UCI Road World Championships, where he was the only rider from Eritrea to compete in the men's elite road race. He won the 2014 Tour d'Algérie. He is the brother of fellow racing cyclists Mossana Debesai, Ferekalsi Debesay, Yakob Debesay and .
