Surname Sernikova (Sernikova 
, Серникова 
) , in the world, is a very rare cognomen. The last name Sernikova is characteristic of Belarus, where it is a very rare surname, Greece, and Russia. In absolute terms, it most frequently occurs in Eastern Europe, particularly Russia, Belarus, and Ukraine.
| VARIANT | COUNTRY |
|---|---|
| Sernikova | Greece, Russia |
| Серникова | Russia, Ukraine, Belarus |