Last name ธัญศิลป์ (ธัญศิลป์ 
, Thanyasarp , Thayansil ) , around the world, is a very rare surname. The last name ธัญศิลป์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, ธัญศิลป์ is the forename as well as the last name.