Cognomen Оганесян (Оганесян 
, Hovhannisyan 
, Oganesian , and others...) , worldwide, is a common surname. The family name Оганесян is habitual in Armenia, where it is a common surname, Georgia, where it is quite a common surname, and Russia. Not in comparison with a country's population, this name is the most popular in Russia, Armenia, and Ukraine.
| VARIANT | COUNTRY |
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| Оганесян | Kazakhstan, Ukraine, Belarus, Russia, Armenia |
| Hovhannisyan, Oganesian, Oganesyan | Spain, Georgia, United States, Russia, Armenia |
| Oganesjan | Germany, Estonia, Czechia, United States, Lithuania |
| Ohanesian | Canada, United States, United Arab Emirates, Iraq, Romania |
Hovhannissian, Hovhannissyan, Oganessian, Oganyesyan, Ohanesjan, Ohanesyan, and Аганесян
| оганесян, георг арутюнович RU (b. 1907) |
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| леонард амаякович оганесян Russian mathematician, RU (b. 1925) |
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рената оганесян Ukrainian figure skater, UA |
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оганесян, степан иванович Russian association football player, RU |
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| эдуард оганесян RU (b. 1942) |
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| оганесян, армен гарникович Russian editor, RU (b. 1954) |
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| иван джонридович оганесян Russian cinema actor, RU (b. 1973) |
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| жанна оганесян actress, RU (b. 1983) |
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| оганесян, арсен григорьевич Russian footballer, RU (b. 1990) |
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