Cognomen Тоцкойнов (Тоцкойнов 
) , around the world, is a very rare last name. The surname Тоцкойнов is habitual in Eastern Europe, particularly Belarus, where it is a very rare surname, Russia, and Ukraine, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Тоцкойнов | Ukraine, Russia, Belarus |