Cognomen Kõlvart (Kõlvart 
) , in the world, is an extremely rare last name. The surname Kõlvart is characteristic of Northern Europe, particularly Estonia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kõlvart | Estonia |
|
mihhail kõlvart Estonian politician, EE (b. 1977) |
|