Last name วิวุฒิ (วิวุฒิ 
, Wawut 
) , all over the world, is a rare surname. The last name วิวุฒิ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname, and Indonesia, where it is a very rare surname. Also, วิวุฒิ is the forename as well as the last name.