Brigadier-General Sir Gilbert Falkingham Clayton KCMG KBE CB (6 April 1875 – 11 September 1929) was a British Army intelligence officer and colonial administrator, who worked in several countries in the Middle East in the early 20th century. In Egypt, during World War I as an intelligence officer, he supervised those who worked to start the Arab Revolt. In Palestine, Arabia and Mesopotamia, in the 1920s as a colonial administrator, he helped negotiate the borders of the countries that later became Israel, Jordan, Syria, Saudi Arabia and Iraq.