Kostantinos as a Baby Name. Meaning and Origin of Kostantinos

What is the meaning of the name Kostantinos ?

The baby name Kostantinos is a Male name , 4 syllables long and is pronounced /konstanˈdinos/ (koh-stan-DEE-nos).

Kostantinos is Greek in Origin.

Derived from Greek Κωνσταντίνος (Konstantínos), itself from Latin Constantinus and ultimately constans, “steadfast, constant,” Kostantinos is a classic Greek male name. Its prominence grew in the Christian era through Emperor Constantine the Great, whose adoption of Christianity and refounding of Byzantium as Constantinople cemented the name across the Greek-speaking world. Numerous Byzantine emperors, saints, and modern Greek monarchs (e.g., King Konstantinos I and II) bore it, ensuring continuous usage into the present.

Kostantinos represents an alternative romanization of the standard Greek form Konstantinos; related international variants include Constantine (English), Konstantin (Slavic and German), Constantin (French/Romanian), Costantino (Italian), and Constantino (Spanish/Portuguese). Common Greek short forms are Kostas, Kostis, Costa/Costas, and Dinos. The name carries the enduring meaning of reliability and faithfulness, and remains popular in Greece and the diaspora, where some bearers adopt the anglicized nickname Gus. Greek Orthodox name day: 21 May (with St. Helen).