Costin

steadfast, constant
Romanian origin · Unisex name
50% boys50% girls
#1867US 2023
10Births / yr
Stable
Top 1.4%Percentile

What does Costin mean and where does it come from?

Costin is derived from the Romanian name Costea, which itself comes from the Latin name Constantinus, meaning 'constant' or 'steadfast'.

Cultural significance
Costin is a traditional name in Romania and is often used in various cultural contexts, including literature and folklore.
Peak popularity
Reached #1867 in 2015 — currently #1867 in the US.
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Related Reading
Romanian-origin baby names with timeless appeal
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How else can you spell Costin?

Same sound, different look — useful if you want something slightly more distinctive

What middle names flow best with Costin?

Costin works best with short, strong middle names — one or two syllables keep the full name from becoming a mouthful

Costin Jack
One syllable · timeless choice
Costin John
One syllable · timeless choice
Costin Luke
One syllable · timeless choice
Costin Grace
One syllable · timeless choice
Costin Miles
One syllable · vintage charm
Costin Leah
One syllable · timeless choice
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Middle Names
The best middle names for Costin
Browse ideas →

How popular is Costin right now?

Holding steady — currently #1867 in the US out of 135.5k tracked names

US Trend 20192023#1867 · Top 1.4%
2019
2020
2021
2022
2023
YearUS RankBirthsvs Prior Year
2023#186710stable
2022#186710stable
2021#186710stable
2020#186710stable
2019#186710
💎Costin is exceptionally rare — it does not appear in US Social Security records, meaning fewer than 5 babies per year have received this name.

What are good nicknames for Costin?

Common
CosCoOstin

Famous people named Costin

CG
Costin Georgescu
A Romanian politician and former head of the Romanian Intelligence Service.
CM
Costin Miere
A Romanian football player known for his contributions to local clubs.
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Celebrity Names
What celebrities named their babies in 2025
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Common questions about the name Costin

What does the name Costin mean?
Costin means "steadfast, constant" — a name rooted in Romanian tradition that carries both historical depth and timeless appeal. The meaning reflects values that have made this name endure across generations.
How popular is the name Costin?
Costin is currently a distinctive and less common name as a baby name in the US and is holding steady in popularity, a reliable classic that parents consistently choose.
What is the cultural origin of Costin?
Costin originates from Romanian tradition. Romanian names tend to carry strong cultural heritage and have spread across the world through migration, literature, and religion over centuries.
Is Costin a common or rare name?
Costin is a distinctive choice that balances familiarity with individuality. It strikes a balance between standing out and fitting in.
Is Costin more of a girl or boy name?
Costin is a genuinely unisex name used for both boys and girls. The unisex quality makes it particularly versatile for modern families.