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