Surname Bisku (Bisku 
) , in the entire world, is a rare cognomen. The last name Bisku is habitual in Southern Europe, particularly Albania, where it is quite a rare surname, Greece, where it is a rare surname, and Italy, where it is a very rare surname. In absolute terms, this name is the most popular in India, Albania, and Italy. Much less frequently, Bisku is the forename as well as the last name.