Surname จงกลกาญจน์ (จงกลกาญจน์ 
) , all over the world, is an extremely rare family name. The surname จงกลกาญจน์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More frequently, จงกลกาญจน์ is the forename as well as the last name.