Last name ธันยกรณ์ (Tanyakorn 
, ธันยกรณ์ ) , in the entire world, is a very rare family name. The last name ธันยกรณ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, ธันยกรณ์ is the forename as well as the last name.