Last name Lukjan (ลูกจันทร์ 
, Лукьян 
, Lukjan 
) , around the world, is a rare family name. The surname Lukjan is characteristic of Belarus, where it is quite a rare surname, Thailand, where it is a rare surname, and Latvia. In absolute terms, this name is the most popular in Thailand, Russia, and Belarus. More prevalently, Lukjan is the forename as well as the last name.