Family name هادو (Hado 
, هادو 
, Haddow 
) , throughout the world, is quite a common last name. The cognomen هادو is habitual in Albania, where it is quite a common surname, Morocco, where it is quite a rare surname, and Libya. In absolute terms, it most frequently occurs in the United Kingdom, Morocco, and the United States. Also, هادو is the forename as well as the last name.