Cognomen กุลวัตร (กุลวัตร 
) , all around the world, is a very rare surname. The family name กุลวัตร is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, กุลวัตร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| กุลวัตร | Thailand |