In all the world, สมจันทร์ (สมจันทร์ 
, Somchan 
) is quite a rare epicene given name. The first name สมจันทร์ is characteristic of Laos, where it is quite a rare boy's name, Thailand, where it is quite a rare gender-neutral name, and India, where it is an extremely rare epicene name. Likewise, สมจันทร์ is the last name as well as the forename.