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In the entire world, Biyou (必友 , Biyou , 必有 ) is quite a rare mostly masculine, but uncommonly feminine given name. The first name Biyou is characteristic of the Democratic Republic of the Congo, where it is a rare feminine name, Algeria, where it is a rare boy's name, and China, where it is a rare predominantly male, but scarcely girly name. Much less frequently, Biyou is the last name as well as the forename.