Cognomen Tagmazian (Тагмазян 
, Тагмазьян , Tagmazian 
) , all over the world, is a rare surname. The cognomen Tagmazian is characteristic of Russia, where it is a rare surname, Ukraine, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Tagmazian is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Тагмазян | Russia, Ukraine, Armenia |
| Тагмазьян | Russia |
| Tagmazian | United States |