Surname ธีรเจตน์ (Teerajate 
, ธีรเจตน์ , Thirajet ) , around the world, is an extremely rare cognomen. The family name ธีรเจตน์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more frequently, ธีรเจตน์ is the forename as well as the last name.
โตกลม, ศิริพฤกษ์, and ชัยสุวรรณ์