Surname Синанян (Синанян 
, Sinanian 
, Sinanyan ) , around the globe, is quite a rare family name. The cognomen Синанян is characteristic of Lebanon, where it is quite a rare surname, Armenia, and France, where it is a rare surname. Not in comparison with a country's population, it is commonest in the United States, France, and Russia. Likewise, Синанян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Синанян | Armenia, Ukraine, Russia, Kazakhstan |
| Sinanian | Lebanon, United States, Australia, France, Canada |
| Sinanyan | United States, Australia, France, Armenia, Canada |