Last name วัฒโนทัย (วัฒโนทัย 
, Vattanothai , Vivatanothai) , throughout the world, is a very rare cognomen. The cognomen วัฒโนทัย is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, วัฒโนทัย is the forename as well as the last name.
ไทยถาวร, and นาชัยเวียง