Cognomen อมรวัฒน์ (อมรวัฒน์ 
, Amornwat , Amonwat ) , all over the world, is a rare family name. The family name อมรวัฒน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Also, อมรวัฒน์ is the forename as well as the last name.