Cognomen ท่วง (Thuang 
, ท่วง) , around the globe, is a rare last name. The last name ท่วง is characteristic of 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, ท่วง is the forename as well as the last name.