Cognomen Тхин (Htin 
, Тхин 
) , in the entire world, is a common surname. The family name Тхин is habitual in South-eastern Asia, particularly Myanmar, where it is quite a common surname, Singapore, where it is a rare surname, and Malaysia. Not in comparison with a country's population, it is commonest in South-eastern Asia, particularly Myanmar, Malaysia, and Indonesia. More prevalently, Тхин is the forename as well as the last name.