Last name Б'Янка (Bianca 
, Б'Янка 
) , all over the world, is a common surname. The last name Б'Янка is habitual in Romania, where it is quite a common surname, Mexico, and Namibia, where it is quite a rare surname. Not in comparison with a country's population, this name is the most popular in Mexico, Romania, and Italy. More prevalently, Б'Янка is the forename as well as the last name.