In the world, Bieno (Bien 
, Bieno 
) is a common gender-neutral first name. The first name Bieno is characteristic of the Democratic Republic of the Congo, where it is quite a common unisex name, Madagascar, where it is quite a common boy's name, and Macao, where it is quite a rare feminine name. Measured by absolute frequency, this name is the most popular in the Democratic Republic of the Congo, India, and Madagascar. Likewise, Bieno is the last name as well as the forename.