Last name เกียรติธงชัย (เกียรติธงชัย 
, Kiatithongchai ) , globally, is a very rare surname. The family name เกียรติธงชัย is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, เกียรติธงชัย is the forename as well as the last name.