Surname Тосун-Оглы (Тосун-Оглы 
) , in all the world, is a very rare family name. The cognomen Тосун-Оглы is characteristic of Eastern Europe, particularly Russia, where it is an extremely rare surname. Parts of the name also exists independently as a last name Тосун, and a last name Оглы.
| VARIANT | COUNTRY |
|---|---|
| Тосун-Оглы | Russia |