Family name Titoyan (Титоян 
, Titoyan 
) , in the world, is a rare surname. The cognomen Titoyan is characteristic of Russia, where it is a rare surname, and the United States, where it is an extremely rare surname. Likewise, Titoyan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Титоян | Armenia, Russia |
| Titoyan | Russia, United States |