Cognomen Широян (Широян 
, Shirojan 
, Shiroyan 
) , in the entire world, is a rare family name. The cognomen Широян is habitual in Armenia, where it is a rare surname, Russia, and Ukraine, where it is a very rare surname. In absolute terms, this name is the most popular in Russia, Ukraine, and the United States. Also, Широян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Широян | Russia, Ukraine, Armenia |
| Shirojan | United States, India, Germany |
| Shiroyan | Canada, France, Russia, United States, Armenia |