Colonel Sir Mark Sykes, 6th Baronet (born Tatton Benvenuto Mark Sykes; 16 March 1879  16 February 1919) was an English traveller, Conservative Party politician and diplomatic adviser, particularly about matters respecting the Middle East at the time of the First World War. He is associated with the Sykes-Picot Agreement, drawn up while the war was in progress, regarding the apportionment of postwar spheres of interest in the Ottoman Empire to Britain, France and Russia.