Surname สงวนวัฒนา (สงวนวัฒนา 
, Sanguanwatana , Sanguanwattana ) , all over the world, is a rare last name. The last name สงวนวัฒนา is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sanguanwattana, Sanguanwatana, สงวนวัฒนา | Thailand |