Throughout the world, بيول (Byul 
, Byeol 
, بيول 
) is a rare epicene first name. The first name بيول is characteristic of South Korea, where it is quite a rare unisex name, Sudan, where it is a rare male name, and the United States, where it is an extremely rare epicene name. Not in comparison with a country's population, it is commonest in South Korea, Sudan, and India. Much less frequently, بيول is the last name as well as the forename.