Cognomen Sergik (Sergik 
) , in the world, is a very rare family name. The cognomen Sergik is habitual in Brazil, where it is a very rare surname, and Ukraine, where it is an extremely rare surname. Also, Sergik is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sergik | Russia, Belarus, United States, France, Brazil |