Cognomen สงวัฒน์ (สงวัฒน์ 
) , all over the world, is a very rare last name. The cognomen สงวัฒน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, สงวัฒน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สงวัฒน์ | Thailand |