Cognomen ศิวัฒน์กิตติสุข (ศิวัฒน์กิตติสุข 
) , worldwide, is an extremely rare surname. The surname ศิวัฒน์กิตติสุข is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ศิวัฒน์กิตติสุข | Thailand |