Family name Grigorian (Григорян 
, Grigorian 
, Григорьян 
) , all over the world, is a common last name. The last name Grigorian is habitual in Georgia, where it is quite a common surname, Russia, and Armenia. In absolute terms, it is commonest in Russia, Ukraine, and Georgia. Likewise, Grigorian is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Григорян | Ukraine, Belarus, Russia, Kazakhstan, Armenia |
| Grigorian | Azerbaijan, France, Georgia, United States, Armenia |
| Григорьян | Ukraine, Belarus, Russia, Kyrgyzstan, Kazakhstan |
| Григорйан | Russia |
| georges grigorian Armenian artist (1897-1976), GE (b. 1897) |
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sergo grigorian Soviet art collector (b. 1961) |
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karen l. grigorian Armenian diplomat, AM (b. 1968) |
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erik grigorian Armenian photographer, photojournalist, IR (b. 1969) |
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stella grigorian Georgian opera and concert singer, GE (b. 1969) |
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marat grigorian Belgian kickboxer, BE (b. 1991) |
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| arusiak grigorian Armenian chess player, AM (b. 1977) |
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| edik grigorian Ph.D. Moscow State Pedagogical Institute |
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| sergey grigorian Ph.D. University of Cambridge 2009 |
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| martin grigorian Doctor of Science Yerevan State University 1997 |
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| souren grigorian researcher |
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| carl edward grigorian Ph.D. University of California, Berkeley 1994 |
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| arcadi grigorian researcher (ORCID 0000-0001-9008-7354) |
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| areg grigorian researcher |
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| tigran grigorian Ph.D. 2014 |
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