Cognomen ธรรมโชติรัตน์ (ธรรมโชติรัตน์ 
) , all over the world, is a very rare surname. The last name ธรรมโชติรัตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, ธรรมโชติรัตน์ is the forename as well as the last name.