Family name ถุง (Thung 
, ถุง 
) , across the world, is quite a common cognomen. The last name ถุง is characteristic of South-eastern Asia, particularly Malaysia, where it is quite a rare surname, Myanmar, and Singapore. Measured by absolute frequency, it is commonest in India, Malaysia, and Indonesia. Very seldom, ถุง is the forename as well as the last name.