Family name ธีรคุปต์ (ธีรคุปต์ 
, Thirakupt , Thirakhupt ) , around the world, is a very rare surname. The cognomen ธีรคุปต์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, ธีรคุปต์ is the forename as well as the last name.