Surname ธันยนิษฐ์ (ธันยนิษฐ์ 
) , globally, is an extremely rare last name. The family name ธันยนิษฐ์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More frequently, ธันยนิษฐ์ is the forename as well as the last name.