Family name ביול (Buel 
, ביול 
) , in all the world, is quite a rare surname. The last name ביול is characteristic of Switzerland, where it is quite a rare surname, Netherlands, where it is a rare surname, and Argentina. In absolute terms, this name is the most popular in the United States, Switzerland, and Argentina. Very seldom, ביול is the forename as well as the last name.