Around the globe, Nikolaeva (Николаева 
, Nikolaeva 
) is a rare female first name. The forename Nikolaeva is characteristic of Bulgaria, where it is quite a rare female name, Romania, where it is a rare feminine name, and Greece. In absolute terms, it is the most numerous in Eastern Europe, particularly Bulgaria, Romania, and Russia. Much more frequently, Nikolaeva is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Николаева | Bulgaria, Kazakhstan, Moldova, Belarus, Russia |
| Nikolaeva | Bulgaria, Spain, Moldova, Russia, Uzbekistan |
Nikolajeva, Nikoláeva, Nikołaeva, Nikołajewa, and Ніколаева
| b. nikolaeva badminton player, BG (b. 1974) |
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| yu v nikolaeva researcher |
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| yu a nikolaeva researcher |
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| yu o nikolaeva researcher |
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| alla vladimirovna nikolaeva RU (b. 1976) |
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