Cognomen كلايد (Clyde 
, كلايد) , in the world, is quite a common surname. The cognomen كلايد is habitual in Guam, where it is quite a common surname, Suriname, and Bahamas, where it is quite a rare surname. In absolute terms, it is the most numerous in the United States, the United Kingdom, and Malaysia. More prevalently, كلايد is the forename as well as the last name.