Family name ทวง (Thuang 
, ทวง ) , around the world, is a rare cognomen. The surname ทวง is characteristic of South-eastern Asia, particularly Malaysia, where it is a rare surname, Singapore, and Philippines, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in Malaysia, China, and Singapore. Likewise, ทวง is the forename as well as the last name.