Cognomen Бианка (Bianka 
, Byanka 
, Бианка 
) , in the world, is quite a rare surname. The family name Бианка is characteristic of Nicaragua, where it is quite a rare surname, Hungary, and Honduras. Measured by absolute frequency, it most frequently occurs in Mexico, Nicaragua, and Indonesia. More prevalently, Бианка is the forename as well as the last name.