Surname Arseni (Арсений 
, Арсеній , Arseni 
) , around the world, is quite a common cognomen. The surname Arseni is habitual in Armenia, where it is a common surname, Moldova, where it is quite a common surname, and Georgia, where it is quite a rare surname. Not in comparison with a country's population, it most frequently occurs in Armenia, Russia, and Romania. More prevalently, Arseni is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Арсений | Russia, Bulgaria, Belarus, Kazakhstan, Ukraine |
| Арсеній | Belarus, Ukraine |
| Arseni | Democratic Republic of the Congo, Russia, Romania, Moldova, Italy |
| Арсени | Russia, Bulgaria, Kazakhstan, Moldova, Armenia |
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arseni kostentsev MK (b. 1842) |
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| arsenii shnitnikov Kazakh zoologist (b. 1873) |
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| arseni lîsov MD (b. 1885) |
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| arseni jefimov (b. 1895) |
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| arseni poolgas dancer (1908-1972) (b. 1908) |
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| arseni corsellas i perxés ES (b. 1904) |
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| arseni wladimirowitsch maximow RU (b. 1912) |
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| constantin arseni RO (b. 1912) |
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| arseni palu (b. 1912) |
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| arseni korp (b. 1914) |
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| arseni pacheco ransanz ES (b. 1932) |
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| arseni gibert i bosch Spanish politician, ES (b. 1942) |
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| arseni comas Spanish footballer, ES (b. 1961) |
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| arseni sañé Spanish field hockey player, ES (b. 1976) |
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| ștefan-ciprian arseni researcher, RO |
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