Surname พันธุ์วุฒิ (พันธุ์วุฒิ 
) , globally, is a very rare family name. The last name พันธุ์วุฒิ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, พันธุ์วุฒิ is the forename as well as the last name.