Surname พฤฒิวรรณ (พฤฒิวรรณ 
) , across the world, is a very rare last name. The cognomen พฤฒิวรรณ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, พฤฒิวรรณ is the forename as well as the last name.