Surname โสตถิวุฒิ (โสตถิวุฒิ 
) , throughout the world, is an extremely rare last name. The last name โสตถิวุฒิ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, โสตถิวุฒิ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| โสตถิวุฒิ | Thailand |