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Cognomen Yefin (Yefin
, Ефин
) , all over the world, is a very rare last name. The cognomen Yefin is characteristic of Kazakhstan, where it is a very rare surname, Russia, and Israel. Measured by absolute frequency, it most frequently occurs in Russia, Kazakhstan, and Venezuela. Likewise, Yefin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yefin | Honduras, Israel, United States, Indonesia, Venezuela |
| Ефин | Kazakhstan, Russia |