Last name Карапетян (Карапетян 
, Karapetyan 
, Karapetian ) , in all the world, is a common surname. The last name Карапетян is habitual in Armenia, where it is a common surname, Georgia, where it is quite a common surname, and Russia. In absolute terms, it is the most numerous in Russia, Armenia, and the United States. Also, Карапетян is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Карапетян | Kazakhstan, Russia, Belarus, Armenia, Ukraine |
| Karapetian, Karapetyan | Georgia, Russia, France, United States, Armenia |
| Karapetjan | Netherlands, Estonia, Czechia, Belarus, Germany |
Garabedian, and Garapedian
| карапетян, арташес сергеевич RU (b. 1913) |
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| карапетян, гурген рубенович Soviet/Russian test pilot, Hero of the Soviet Union (1936-2021), RU (b. 1936) |
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| карапетян, артуш месропович KZ (b. 1944) |
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| ольга владимировна карапетян Russian architect (1958-2010), RU (b. 1958) |
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| карапетян, роман викторович RU (b. 1970) |
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| лилит карапетян Russian actress, RU (b. 1992) |
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| карапетян, кристина сергеевна RU (b. 1990) |
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| карапетян, кристина игоревна RU (b. 1992) |
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