Cemal Azmi (1868 – April 17, 1922), also spelled Jemal Azmi, was an Ottoman politician and governor of the Trabzon Vilayet during World War I and the final years of the Ottoman Empire. He was one of the perpetrators of the Armenian genocide and was mainly responsible for the liquidation of Armenians in the Trabzon province. He was known as the "butcher of Trabzon".