Last name Бои (Boi 
, Бои 
) , in the entire world, is a common family name. The family name Бои is habitual in Italy, where it is quite a common surname, Malaysia, where it is quite a rare surname, and Papua New Guinea. In absolute terms, this name is the most popular in Italy, India, and Malaysia. Very seldom, Бои is the forename as well as the last name.