Family name ฉัตรธงชัย (ฉัตรธงชัย 
, Chathongchai ) , in the world, is a very rare cognomen. The last name ฉัตรธงชัย is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, ฉัตรธงชัย is the forename as well as the last name.