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Cognomen Izhak (יצחק , Исаак
, Izhak
) , in the world, is quite a common last name. The cognomen Izhak is characteristic of Israel, where it is quite a common surname, Armenia, and Hungary, where it is quite a rare surname. Measured by absolute frequency, the name is most common in Israel, Armenia, and Russia. More prevalently, Izhak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| יצחק | Israel |
| Исаак | Kazakhstan, Lithuania, Armenia, Russia, Belarus |
| Izhak | United States, Indonesia, China, Israel, Hungary |
| Ижак | Ukraine, Russia, Kazakhstan |