Cognomen พิชญวุฒิ (พิชญวุฒิ 
, Pichayawut ) , all over the world, is an extremely rare last name. The cognomen พิชญวุฒิ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More frequently, พิชญวุฒิ is the forename as well as the last name.