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Family name Vaj (Vang
, Vaj
, فاج
) , in the world, is a common cognomen. The last name Vaj is habitual in Laos, where it is quite a common surname, Denmark, and Norway. Not in comparison with a country's population, it most frequently occurs in the United States, India, and Laos. Very seldom, Vaj is the forename as well as the last name.