Surname กุลโรจน์ธนาวัต (กุลโรจน์ธนาวัต 
) , worldwide, is an extremely rare last name. The family name กุลโรจน์ธนาวัต is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| กุลโรจน์ธนาวัต | Thailand |