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 | Uzbekistan, Kazakhstan, Russia, Belarus, Kyrgyzstan |
| Nikoulina | United States, Russia, Greece |