Surname Nikoulina (Никулина 
, Nikoulina 
) , around the world, is a common cognomen. The cognomen Nikoulina is habitual in Russia, where it is quite a common surname, Kazakhstan, and Belarus, where it is quite a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Никулина | Kazakhstan, Belarus, Kyrgyzstan, Russia, Uzbekistan |
| Nikoulina | Russia, United States, Greece |