Last name วุฒิรัตน์ (วุฒิรัตน์ 
, Wuttirat 
, Wutirat ) , all around the world, is a rare family name. The family name วุฒิรัตน์ is habitual in Thailand, where it is a rare surname, and the United States, where it is an extremely rare surname. Very seldom, วุฒิรัตน์ is the forename as well as the last name.