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Surname จันทร์ใจ (Chanjai
, จันทร์ใจ
, Junjanjai
) , across the world, is a rare family name. The cognomen จันทร์ใจ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, จันทร์ใจ is the forename as well as the last name.