Cognomen ถาวรวุฒิชาติ (ถาวรวุฒิชาติ 
, Tawonwutichard, Thawornwutichat ) , all around the world, is a very rare family name. The family name ถาวรวุฒิชาติ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.