Cognomen วิกรรัตน์ (Wikornrat 
, วิกรรัตน์ ) , throughout the world, is a very rare surname. The cognomen วิกรรัตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, วิกรรัตน์ is the forename as well as the last name.