Family name ดิษฐรัตน์ (ดิษฐรัตน์ 
) , all over the world, is a very rare last name. The last name ดิษฐรัตน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, ดิษฐรัตน์ is the forename as well as the last name.