Surname Weniamin (Вениамин 
, Веніамін , Weniamin 
) , in the world, is a rare family name. The cognomen Weniamin is habitual in Kyrgyzstan, where it is quite a rare surname, Armenia, where it is a rare surname, and Belarus. Measured by absolute frequency, it is the most numerous in Russia, Kyrgyzstan, and Armenia. Much more prevalently, Weniamin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Вениамин | Ukraine, Kazakhstan, Belarus, Russia, Azerbaijan |
| Веніямін, Веніамін | Ukraine |
| Weniamin | Russia, France, Argentina, Canada |
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