Surname Титанян (Титанян 
, Titanian 
) , worldwide, is a rare cognomen. The last name Титанян is characteristic of Russia, where it is a very rare surname, Ukraine, where it is an extremely rare surname, and the United States. More frequently, Титанян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Титанян | Armenia, Ukraine, Russia |
| Titanian | United States |