Cognomen จันสวัสดิ์ (จันสวัสดิ์ 
) , in all the world, is a very rare family name. The family name จันสวัสดิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, จันสวัสดิ์ is the forename as well as the last name.