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Home › Baby Names Directory › Costas

Costas

♂ Boy

Pronounced KOH-stahs /ˈkoʊ.stɑs/Medium

Meaning: A Greek short form of Konstantinos (Constantine), from Latin constans, 'constant; steadfast.' Common and warm in Greece.Medium

In 30 seconds: A warm Greek name: Costas means 'constant; steadfast,' short for Konstantinos (said 'KOH-stahs'). Friendly and classic.
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Origin MediumGreek
MeaningA Greek short form of Konstantinos (Constantine), from Latin constans, 'constant; steadfast.' Common and warm in Greece.
U.S. rank (2024)#11171 ↗ Rising
2024 U.S. births6 boys (0.00% of U.S. boys)
Peak year1922
Total births (all-time)≈ 285

Popularity in the U.S. · SSA data

peak 199219162024

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Costas shortens the Greek Konstantinos (Constantine, 'constant; steadfast'). It reads friendly and classic — common in Greece, rare in the U.S. (said 'KOH-stahs').

In the U.S. it appears only rarely. Rare, warm, and classic.

Did you know? Costas is the everyday Greek short form of Konstantinos (Constantine) — from Latin for 'constant; steadfast' — a warm, familiar name across Greece (said 'KOH-stahs').
Overall data confidence 55%
References — Costas — Greek short for Konstantinos

Variations

KostasKonstantinosCosta

Nicknames

CostaKostis

Famous Bearers

  • Famous bearers coming soon.

If you like Costas…

Konstantinos— the full name it shortens
Stelios— a like Greek short name
Yannis— a like warm Greek pick
Dimitri— a like Greek classic

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Frequently Asked

What does the name Costas mean?

Costas is a Greek short form of Konstantinos (Constantine), 'constant; steadfast.'

How do you pronounce Costas?

It's said KOH-stahs /ˈkoʊ.stɑs/ — two syllables, stress on the first.

Is Costas a boy or girl name?

Costas is a boy's name.

How popular is Costas?

Costas is a rare name in the U.S.

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