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Surname Yayloyan (Яылоян
, Yayloyan
, Яйлоян
) , across the world, is a rare last name. The cognomen Yayloyan is habitual in Armenia, where it is quite a rare surname, Russia, where it is a rare surname, and Belgium, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in Russia, Armenia, and Ukraine. Also, Yayloyan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Яылоян | Armenia, Russia |
| Yayloyan | Armenia, Belgium, United States, Russia |
| Яйлоян | Armenia, Russia, Ukraine |
| Яилоиан | Russia |