Last name สมทวีวุฒิกร (สมทวีวุฒิกร 
) , worldwide, is an extremely rare cognomen. The surname สมทวีวุฒิกร is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| สมทวีวุฒิกร | Thailand |