Neptune
MeaningRoman sea god · Latin
- US rank
- #8,910
- Syllables
- 2
- Peak
- #8,300 in 2022
8 babies were named Neptune in the US in 2025.
Found on lists
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US births per million boys, 2021–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Neptune you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- How commonAbout 1 in every 212,766 baby boys born in the US in 2025 was named Neptune, 8 babies in all. In a typical school of 500 kids, your Neptune would very likely be the only one.
- HistoryNeptune first shows up in US birth records in 2021, 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 2022, when it reached #8,300.
- New on the sceneNeptune wasn't given to enough babies to be counted in 2000. It only took off after 2021.
- MeaningIn Latin, Neptune means “Roman sea god”.
About the name Neptune
Neptune is a boy name meaning “Roman sea god”. It has 7 letters and 2 syllables, starting with N and ending in “-une”. US birth records list Neptune for boys from 2021 to 2025, in 3 of those 5 years. Its best year was 2022, when it ranked #8,300 among boy names. In 2025 it ranked #8,910, with 8 babies.
| Decade | Babies per million | About 1 in |
|---|---|---|
| 2020s | 2.8 | 359,712 boys |
Questions about the name Neptune
What does the name Neptune mean?
Neptune means “Roman sea god” in Latin.
Is Neptune a boy or girl name?
Neptune is a boy name.
How popular is the name Neptune?
Neptune ranked #8,910 for US boys in 2025, given to 8 babies. Its best year was 2022 (#8,300).