Around the globe, Mertin (Mertin 
, Мертин 
) is a rare epicene first name. The first name Mertin is characteristic of Bulgaria, where it is a rare masculine name, Indonesia, where it is a very rare girly name, and South Africa, where it is a very rare boy's name. Measured by absolute frequency, it is the most numerous in Indonesia, South Africa, and Germany. More prevalently, Mertin is the last name as well as the forename.