Surname Silav (Silav 
) , worldwide, is quite a rare family name. The surname Silav is habitual in Romania, where it is quite a rare surname, Iraq, where it is a rare surname, and Portugal, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in India, Romania, and Iraq. Much less frequently, Silav is the forename as well as the last name.