Cognomen Бугайев (Bugayev 
, Бугайев 
) , in the world, is a very rare surname. The family name Бугайев is habitual in Latvia, where it is a rare surname, Malaysia, where it is a very rare surname, and Kazakhstan. In absolute terms, it is the most numerous in the United States, Latvia, and Malaysia. Much less frequently, Бугайев is the forename as well as the last name.