In the entire world, Dayen (Dayen 
, Даен 
) is a rare epicene first name. The given name Dayen is characteristic of Algeria, where it is a rare masculine name, Nigeria, where it is a rare gender-neutral name, and Philippines, where it is a rare female name. In absolute terms, it is commonest in Nigeria, Indonesia, and Philippines. Also, Dayen is the last name as well as the forename.