This list covers 13 Slavic boy names, running alphabetically from “Kazimir” to “Karol.” These names span Poland, Russia, Bulgaria, Croatia, Serbia, and Ukraine, and most carry meanings tied to peace, steadfastness, or strength. Parents use them today for newborns, while writers and genealogists rely on them to add authentic Slavic flavor to characters and family trees.

Slavic boy names are given names rooted in the Slavic languages of Eastern Europe and the Balkans, often built from words like “mir” (peace) or “slav” (glory). Many honor Orthodox saints or historical rulers, such as Krum, a medieval Bulgarian khan whose name is still used by patriotic families today. Their sounds are distinctive, with hard consonants and clear rhythms that carry centuries of regional history.

Below you’ll find the table with each name, country, pronunciation, meaning, and description.

Name: the specific Slavic boy name featured in this entry, shown in its most common or traditional spelling.

Country: the nation or region where you’re most likely to encounter this name in everyday use.

Pronunciation: a simple phonetic guide showing you how to say each name correctly, stressed syllable included.

Meaning: the literal or historical meaning behind the name, so you understand what it symbolizes.

Description: background on the name’s origins, notable namesakes, or cultural significance, giving you context beyond the definition.

Slavic boy names

NameCountryPronunciationMeaning
KazimirPoland / Russiakah-ZEE-meerProclaims peace
KazimierzPolandkah-ZHEE-meshHe who destroys peace / proclaimer of peace
KresimirCroatiakreh-SHEE-meerKeeper of peace
KonstantinRussia / Bulgaria / Serbiakon-stan-TEENConstant, steadfast
KostadinBulgariakos-tah-DEENConstant, steadfast
KirillRussiakee-REELLordly, masterful
KlimentBulgaria / RussiaKLEE-mentMerciful, gentle
KondratRussia / Polandkon-DRAHTBold counsel
KorneiRussiakor-NAYHorn
KuzmaRussia / UkraineKOOZ-mahOrder, harmony
KupriyanRussiakoo-pree-YAHNFrom Cyprus
KrumBulgariaKROOMPossibly “short” or “small”
KarolPolandKAH-rolFree man

Descriptions

Kazimir
A traditional Slavic name borne by several Polish kings and saints, evoking someone who announces or brings peace.
Kazimierz
The Polish form of Kazimir, historically favored by Polish royalty and nobility, often shortened to Kazik.
Kresimir
A distinctly Croatian name carried by medieval Croatian kings, blending “kres” (fire, light) with “mir” (peace).
Konstantin
The Slavic form of Constantine, widely used across Russia and the Balkans to suggest firmness and reliability.
Kostadin
The Bulgarian variant of Konstantin, popular among Orthodox Christian families and often shortened to Kotse.
Kirill
A beloved Russian name of Greek origin, borne by Saint Cyril, co-creator of the Cyrillic alphabet.
Kliment
Tied to Saint Clement of Ohrid, a medieval Bulgarian scholar, the name conveys mildness and compassion.
Kondrat
An old-fashioned Slavic name meaning brave advisor, once common among Russian and Polish villagers and clergy.
Kornei
A traditional Russian name best known through the beloved children’s author Korney Chukovsky.
Kuzma
A rustic Slavic name honoring Saints Cosmas and Damian, historically common in Russian and Ukrainian villages.
Kupriyan
A Russian saint’s name referencing the island of Cyprus, still used occasionally in Orthodox Slavic families.
Krum
An ancient name borne by a powerful medieval Bulgarian khan, still used today as a patriotic Bulgarian given name.
Karol
The Polish form of Charles, notably the birth name of Pope John Paul II, Karol Wojtyla, and widely used across Poland.
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