Surname แก้ววิวัฒน์ (แก้ววิวัฒน์, Keawwiwat 
) , around the globe, is an extremely rare last name. The family name แก้ววิวัฒน์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Keawwiwat | Thailand |