Cognomen อรุณราช (Arunrat 
, Arunrach , Arunrath 
) , in the entire world, is a rare surname. The surname อรุณราช is characteristic of Thailand, where it is quite a rare surname, Malaysia, where it is a very rare surname, and Israel. Not in comparison with a country's population, the name is most common in Thailand, Malaysia, and the United States. More frequently, อรุณราช is the forename as well as the last name.