Surname ดอกจันทร์ (ดอกจันทร์ 
, Dokchan 
, Dokjan ) , all over the world, is quite a rare cognomen. The cognomen ดอกจันทร์ is habitual in Thailand, where it is quite a rare surname, and Hungary, where it is a very rare surname. Also, ดอกจันทร์ is the forename as well as the last name.