This list covers 16 Slavic boy names, running alphabetically from “Oleg” to “Oskar”. These names span Russia, Ukraine, Poland, Serbia, Croatia, the Czech Republic, and beyond, each carrying its own sound and story. Parents use them to choose a name with deep roots, while writers, genealogists, and language learners turn to them to understand naming traditions across Eastern and Central Europe.

Slavic boy names are given names rooted in the languages and cultures of Slavic nations, often drawing on Old Church Slavonic words, ancient Norse influences, or borrowed Greek and Germanic terms. Many carry meanings tied to strength, holiness, or nature, like “Ognjen,” which comes from the Slavic word for fire. Some, like “Oleg,” trace back over a thousand years to early medieval princes who once ruled Kyiv.

Below you’ll find the table with Name, Country, Pronunciation, Meaning, and Description.

Name: the given name itself, shown in its standard spelling so you can see exactly how it’s written.

Country: the nation or region where the name is most common today, helping you place it culturally and geographically.

Pronunciation: a simple phonetic guide showing how to say the name out loud, so you can pronounce it with confidence.

Meaning: the literal or traditional meaning behind the name, giving you insight into what it symbolizes.

Description: background on the name’s origin, history, or notable namesakes, so you understand the story behind it.

Slavic boy names

NameCountryPronunciationMeaning
OlegRussiaOH-lyegHoly, blessed
OlehUkraineOH-lehhHoly, blessed
OleksandrUkraineoh-lek-SAHN-drDefender of the people
OleksiyUkraineoh-lek-SEEDefender, helper
OstapUkraineoh-STAHPFruitful, steadfast
OrestUkraineoh-RESTMountain dweller
OnufriyUkraineoh-NOOF-reeSacred, of holy descent
OgnjenSerbiaOG-nyenFiery, kindled
OgnenNorth MacedoniaOG-nenFire, flame
OzrenCroatiaOZ-renEnlightened, illuminated
ObrenSerbiaOH-brenReborn, resurrected
OstojaBosnia and Herzegovinaoh-STOH-yahOne who endures, steadfast
OtakarCzech RepublicOH-tah-karVigilant guardian of wealth
OldřichCzech RepublicOL-drzhikhRuler of all, noble heritage
OndřejCzech RepublicON-drzheyManly, brave
OskarPolandOSS-karGod’s spear

Descriptions

Oleg
A classic Russian name carried by early medieval princes of Kievan Rus, including the legendary Prince Oleg who ruled Kyiv in the 9th century. It traces back to the Old Norse name Helgi.
Oleh
The Ukrainian spelling of Oleg, this name shares the same Norse-rooted origin and princely history but reflects Ukrainian pronunciation and spelling conventions.
Oleksandr
The Ukrainian form of Alexander, this name has been popular for centuries and is borne by numerous Ukrainian historical and public figures, including presidents and athletes.
Oleksiy
A Ukrainian name derived from the Greek Alexios, it shares roots with Alexey and Alexander and has long been common across Ukraine and neighboring Slavic countries.
Ostap
A distinctly Ukrainian name derived from the Greek Eustathios, made famous by literary characters and still used today, especially in western Ukraine.
Orest
Adapted from the Greek mythological figure Orestes, this name is used across Ukraine, Poland, and Russia and carries a sense of classical, tragic heroism.
Onufriy
Derived from the Greek Onuphrius, itself rooted in an ancient Egyptian title, this name is associated with an early Christian desert hermit venerated in Slavic Orthodox tradition.
Ognjen
A vivid Serbian and Croatian name built from the Slavic word for fire, often given to boys as a wish for a spirited, passionate character.
Ognen
The Macedonian and Bulgarian variant of Ognjen, this fiery name reflects the same Slavic root word for flame and burning energy.
Ozren
A Croatian and Bosnian name linked to a mountain of the same name in Bosnia, it has long been used as a personal name symbolizing clarity or awakening.
Obren
A traditional Serbian name meaning “the reborn one,” historically tied to the Obrenović dynasty that ruled Serbia in the 19th century.
Ostoja
A medieval South Slavic name meaning “the one who stays” or “the enduring one,” historically borne by Bosnian nobility and still used today.
Otakar
A traditional Czech royal name, most famously carried by King Ottokar II, blending Germanic roots with centuries of Czech dynastic history.
Oldřich
An old Czech princely name borne by an 11th-century Duke of Bohemia, it remains a distinguished, traditional choice in the Czech Republic.
Ondřej
The Czech and Slovak form of Andrew, this name has been common for generations and reflects a strong, steady character.
Oskar
Widely used across Poland, Croatia, and the Czech Republic, this name has old Norse and Celtic roots but has been thoroughly adopted into Central and Eastern European naming traditions.
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