All over the world, ธีรรัฐ (ธีรรัฐ 
) is a very rare predominantly masculine, but very seldom female forename. The first name ธีรรัฐ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare principally masculine, but very seldom girly name. Very seldom, ธีรรัฐ is the last name as well as the forename.
บุปผเวส, ไชยงาม, สัตยารักษ์, เชียวสกุล, จุฑามณี, เทียงสาย, ปริยานนท์, and อมรสิริกุล