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Cognomen Diloyan (Дилоян
, Diloyan
) , all around the world, is a rare family name. The last name Diloyan is characteristic of Armenia, where it is a rare surname, Bulgaria, and Russia, where it is a very rare surname. In absolute terms, the name is most common in Russia, Poland, and the United States. Likewise, Diloyan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Дилоян | Ukraine, Kazakhstan, Armenia, Russia, Bulgaria |
| Diloyan | India, United States, Armenia, Russia, Poland |