Cognomen กุลทินี (กุลทินี 
, Kultinee 
) , globally, is a very rare family name. The surname กุลทินี is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, กุลทินี is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| กุลทินี | Thailand |
| Kultinee | United Kingdom, Thailand |