Surname ดิฐวุฒิ (Dittawut 
, Dithawut , ดิฐวุฒิ ) , in the world, is an extremely rare family name. The last name ดิฐวุฒิ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more prevalently, ดิฐวุฒิ is the forename as well as the last name.