Across the world, จันทร์ยา (จันทร์ยา 
) is a rare dominantly girly, but uncommonly boy's forename. The forename จันทร์ยา is characteristic of South-eastern Asia, particularly Thailand, where it is a rare dominantly girly, but uncommonly masculine name. Much less frequently, จันทร์ยา is the last name as well as the forename.