Cognomen שדאד (Shadad 
, Shaddad , שדאד 
) , in the world, is quite a common surname. The last name שדאד is habitual in Western Asia, particularly Lebanon, where it is quite a rare surname, Kuwait, and Bahrain. In absolute terms, it most frequently occurs in Egypt, Sudan, and Syria. Much less frequently, שדאד is the forename as well as the last name.