Surname กิตติยาวัฒน์ (กิตติยาวัฒน์ 
) , worldwide, is an extremely rare cognomen. The surname กิตติยาวัฒน์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Very seldom, กิตติยาวัฒน์ is the forename as well as the last name.