Cognomen Gelfat (Gelfat 
) , in all the world, is a very rare family name. The last name Gelfat is characteristic of Northern America, particularly Canada, where it is an extremely rare surname, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Gelfat | Canada, United States |
| ilia gelfat researcher (ORCID 0000-0002-1014-1929) |
|