Cognomen ดำรงวุฒิ (Damrongwut 
, ดำรงวุฒิ, Dumrongwut ) , across the world, is a very rare surname. The last name ดำรงวุฒิ is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, ดำรงวุฒิ is the forename as well as the last name.