Last name Silv (Silv 
, سيلف 
) , all around the world, is quite a rare cognomen. The last name Silv is characteristic of El Salvador, where it is quite a rare surname, Portugal, where it is a rare surname, and Uruguay. Measured by absolute frequency, it is the most numerous in Brazil, the United States, and Portugal. Much less frequently, Silv is the forename as well as the last name.