Surname Татлян (Татлян 
, Tatlian 
) , in all the world, is a very rare last name. The last name Татлян is habitual in France, where it is an extremely rare surname, Canada, and Russia. In absolute terms, it is commonest in the United States, Russia, and France. Much less frequently, Татлян is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Татлян | Ukraine, Russia, Armenia |
| Tatlian | France, Canada, United States |