Last name Hairapetian (Hairapetian 
) , all over the world, is a rare family name. The last name Hairapetian is habitual in Georgia, where it is quite a rare surname, Armenia, where it is a rare surname, and Belgium. Not in comparison with a country's population, the name is most common in the United States, Georgia, and France.
| VARIANT | COUNTRY |
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| Hairapetian | Canada, France, Germany, Georgia, United States |
| nune hairapetian Armenian musician, pianist, music teacher, IT (b. 1951) |
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| hrachik m. hairapetian Ph.D. Institute of Mathematics, National Academy of Sciences of Armenia 1975 |
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| vachik hairapetian geologist |
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| naira hairapetian chess player (b. 1986) |
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Ann, Erik, Emil, Evic, Haik, Maria, Mania, Maxim, Mindy, Shant, Eric, Susan, Sevan, Sedik, Andre, Angel, Annie, Anita, Artur, Artak, Armen, Serge, Elmo, Nick, Teny, Ani, Art, Amy, Apo, Mary, Melo, Samu, Alek, Anna, Anet, Arin, Arby, Asik, Aida, Kira, Rima, Ruth, Ryan, Gina, Lisa, John, Arvin, and Ashod