Last name Thieng (Thieng 
) , in the entire world, is a rare surname. The cognomen Thieng is habitual in South-eastern Asia, particularly Malaysia, where it is a rare surname, Singapore, where it is a very rare surname, and Vietnam. Not in comparison with a country's population, this name is the most popular in Malaysia, India, and Vietnam. Also, Thieng is the forename as well as the last name.