Family name Mnatsakanyan (Мнацаканян 
, Mnatsakanyan 
, Мнацаканьян ) , around the world, is quite a common surname. The cognomen Mnatsakanyan is habitual in Armenia, where it is quite a common surname, Russia, where it is quite a rare surname, and Belarus. Measured by absolute frequency, it is commonest in Russia, Armenia, and Ukraine. Likewise, Mnatsakanyan is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Мнацаканян | Kazakhstan, Armenia, Russia, Belarus, Ukraine |
| Mnatsakanyan | Armenia, Russia, Bulgaria, United States, France |
| Мнацаканьян | Kazakhstan, Russia, Ukraine |
| Мнатцаканян | Russia |
| varazdat mnatsakanyan Armenian pedagogue (b. 1916) |
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| armen mnatsakanyan UZ (b. 1918) |
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| gurgen mnatsakanyan Armenian architect (1936-2014), GE (b. 1936) |
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zaven mnatsakanyan badminton player, AM (b. 1997) |
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| aida mnatsakanyan Armenian philologist, educator, broadcaster (b. 1948) |
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| mariam mnatsakanyan researcher |
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| nelli mnatsakanyan researcher (ORCID 0000-0001-5363-7409) |
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| hamlet mnatsakanyan AM (b. 1998) |
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Mr, Aren, Arev, Arpi, Asya, Avet, Azat, Karo, Roza, Rita, Aram, Lana, Lida, Jack, Nara, Nare, Nana, Nane, Naki, Nina, Nora, Lala, Anka, Anna, Alla, Ms, Li, Ani, Amy, Rem, Gor, Gog, Lev, Val, Mary, Maqs, Meri, Mike, Mher, Sara, Saro, Saqo, Suzy, Sona, Alex, Alik, Nune, and Emil