Last name سايكس (Sykes 
, Sikes , سايكس) , in the world, is a common surname. The cognomen سايكس is characteristic of Northern Europe, particularly Isle of Man, where it is quite a common surname, Guernsey, and the United Kingdom (explore the name in all countries). Not in comparison with a country's population, it is commonest in the United States, the United Kingdom, and Indonesia. Very seldom, سايكس is the forename as well as the last name.