Cognomen จันทยา (จันทยา 
, Chantaya 
, Chanthaya ) , all over the world, is a rare family name. The last name จันทยา is characteristic of Malawi, where it is quite a rare surname, Thailand, where it is a rare surname, and India, where it is an extremely rare surname. Much less frequently, จันทยา is the forename as well as the last name.