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