Last name Bosyy (Bosyy 
, Босый 
, Босыи ) , in the entire world, is a rare family name. The last name Bosyy is characteristic of Belarus, where it is quite a rare surname, Russia, where it is a rare surname, and Kazakhstan. Measured by absolute frequency, this name is the most popular in Russia, Belarus, and Egypt. Very seldom, Bosyy is the forename as well as the last name.