Cognomen Симян (Simian 
, Simyan 
, Симян 
) , around the globe, is quite a rare family name. The cognomen Симян is characteristic of Romania, where it is quite a rare surname, France, and Argentina, where it is a rare surname. Much less frequently, Симян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Simian | China, France, Argentina, Romania, United States |
| Simyan | Philippines, France, India, United States, Russia |
| Симян | Russia, Armenia, Ukraine |