Surname อรุณโรจน์ (อรุณโรจน์ 
, Arunrot , Arunrote ) , across the world, is a rare family name. The surname อรุณโรจน์ is characteristic of South-eastern Asia, particularly Thailand, where it is quite a rare surname. Also, อรุณโรจน์ is the forename as well as the last name.