Last name Martirosyan (Мартиросян 
, Martirosyan 
, Мартиросьян 
) , across the world, is a common cognomen. The family name Martirosyan is characteristic of Armenia, where it is quite a common surname, Russia, and Belarus, where it is quite a rare surname. Not in comparison with a country's population, it is commonest in Russia, Armenia, and Ukraine. Also, Martirosyan is the forename as well as the last name.
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| Мартиросян | Ukraine, Kazakhstan, Armenia, Russia, Belarus |
| Martirosyan | United States, France, Armenia, Russia, Belgium |
| Мартиросьян | Ukraine, Kazakhstan, Russia, Belarus, Kyrgyzstan |
Martirosian, Martirosjan, Martirosjans, Martirossian, Martırosyan, Мартиросйан, Мартіросьян, and Мартіросян
| natalia artemy martirosyan Armenian engineer (b. 1889) |
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| nshan martirosyan TR (b. 1894) |
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armen martirosyan Armenian musician, AM (b. 1963) |
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| khoren martirosyan Armenian pedagogue, AZ (b. 1914) |
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arevik martirosyan French actress, FR (b. 1982) |
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vanes martirosyan Armenian-American boxer, US (b. 1986) |
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grigory martirosyan AZ (b. 1978) |
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| valeri h. martirosyan AM (b. 1940) |
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| georgy martirosyan georgian-born Russian serial killer (b. 1970) |
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| valeri h. martirosyan Doctor of Science Institute of Mathematics, National Academy of Sciences of Armenia 1989 |
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| vardan m. martirosyan Ph.D. Institute of Mathematics, National Academy of Sciences of Armenia 1977 |
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| sosina martirosyan Ph.D. Universität Duisburg-Essen 2003 |
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| danik martirosyan researcher (ORCID 0000-0001-9869-4191) |
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| araks martirosyan researcher (ORCID 0000-0002-1811-727X) |
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| lilit martirosyan Armenian LGBT rights activist |
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