Last name Thuang (Thuang 
, ทวง , ถ่วง) , around the world, is a rare family name. The surname Thuang is habitual in South-eastern Asia, particularly Malaysia, where it is a rare surname, Singapore, and Philippines, where it is an extremely rare surname. In absolute terms, it most frequently occurs in Malaysia, China, and Singapore. Also, Thuang is the forename as well as the last name.