Family name ทานุวัฒน์ (Tanuwat 
, ทานุวัฒน์ ) , across the world, is a very rare cognomen. The cognomen ทานุวัฒน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, ทานุวัฒน์ is the forename as well as the last name.