In the world, Йол (Jol 
, Йол 
) is quite a common epicene first name. The first name Йол is habitual in the Democratic Republic of the Congo, where it is quite a rare predominantly boy's, but scarcely feminine name, Bangladesh, where it is quite a rare mostly girly, but uncommonly masculine name, and Belgium, where it is a rare boy's name. Measured by absolute frequency, it is the most numerous in the Democratic Republic of the Congo, Bangladesh, and India. Likewise, Йол is the last name as well as the forename.