All around the world, Merdian (Merdian 
, Мердиан 
) is a rare epicene forename. The forename Merdian is characteristic of South-eastern Asia, particularly Indonesia, where it is a very rare unisex name, and Philippines, where it is an extremely rare mostly male, but uncommonly girly name. More frequently, Merdian is the last name as well as the forename.