Cognomen จันทร์สวย (จันทร์สวย 
, Chansuai 
, Jansuai 
) , all over the world, is a rare last name. The family name จันทร์สวย is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname, and Malaysia, where it is a very rare surname. More prevalently, จันทร์สวย is the forename as well as the last name.