Last name ไตรโรจน์ (Triroj 
, ไตรโรจน์ , Triroje ) , all around the world, is a very rare family name. The cognomen ไตรโรจน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, ไตรโรจน์ is the forename as well as the last name.