Nikolaj
- US rank
- Unranked
- Syllables
- 3
- Peak
- #4,951 in 2019
0 babies were named Nikolaj in the US in 2025.
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US births per million boys, 2001–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Nikolaj you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- HistoryNikolaj first shows up in US birth records in 2001, the first year at least 5 babies got it. That makes it a fairly new name, younger than many of today's parents.
- Best yearIts best year was 2019, when it reached #4,951.
About the name Nikolaj
Nikolaj is a boy name of Estonian and Russian origin. It has 7 letters and 3 syllables, starting with N and ending in “-laj”. US birth records list Nikolaj for boys from 2001 to 2024, in 17 of those 24 years. Its best year was 2019, when it ranked #4,951 among boy names. It hasn't been given to 5 or more US babies in a year since 2024, so today it's a genuinely rare choice.
Origin:Estonian namesRussian names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 2000s | 1.5 | 666,667 boys |
| 2010s | 4.8 | 207,039 boys |
| 2020s | 4.3 | 234,742 boys |
More Estonian boy names
- Boy name: Nikolay · victory of the people
- Boy name: Nikoli · victory of the people
- Unisex name: Laine
- Boy name: Riky
Questions about the name Nikolaj
What is the origin of the name Nikolaj?
Nikolaj has Estonian, Russian roots in our records. Other Estonian names include Nikolay, Nikoli, Laine.
Is Nikolaj a boy or girl name?
Nikolaj is a boy name.
How popular is the name Nikolaj?
Nikolaj is rare: fewer than 5 US boys got it in 2025, and it was last given to 5 or more in 2024. It peaked at #4,951 in 2019.