Surname Kelasov (Kelasov 
) , worldwide, is a very rare family name. The surname Kelasov is characteristic of Estonia, where it is a rare surname, Greece, where it is a very rare surname, and Georgia. Measured by absolute frequency, the name is most common in Greece, Estonia, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Kelasov | Georgia, Greece, Russia, Estonia |