Around the globe, Nikolaij (Nikolaij 
) is a very rare boy's given name. The first name Nikolaij is habitual in Western Europe, particularly Germany, where it is a very rare masculine name.
| VARIANT | COUNTRY |
|---|---|
| Nikolaij | Germany, United States |
| nikolaij aleksandrovič warneck (b. 1823) |
|
|
| nikolaij lukinow |
|