Cognomen Shaj (Shaj 
, سهاج 
, Шай 
) , in the world, is quite a rare family name. The cognomen Shaj is characteristic of Western Asia, particularly United Arab Emirates, where it is quite a rare surname, Qatar, and Kuwait. In absolute terms, it most frequently occurs in India, Ukraine, and Bangladesh. Likewise, Shaj is the forename as well as the last name.