Across the world, Буає (Boyer 
, Буає 
) is quite a rare unisex first name. The forename Буає is habitual in Reunion, where it is a common gender-neutral name, France, where it is a rare epicene name, and Philippines, where it is a very rare male name. In absolute terms, it most frequently occurs in Reunion, the United States, and France. Much more prevalently, Буає is the last name as well as the forename.