This list includes 13 Polish boy names that start with I, from “Idzi” to “Izydor”. These names are mostly traditional, with Slavic, Latin, and biblical roots, and they suit baby naming, genealogical research, and cultural study.

Polish boy names that start with I are male given names used in Poland beginning with the letter I. Many, like “Ignacy”, have deep historical use and appear in literature and national celebrations.

Below you’ll find the table with Name, Pronunciation, IPA, Meaning/Origin, and Common diminutive(s).

Name: The full Polish given name; use this to identify favorites and compare forms across tradition and modern usage.

Pronunciation: A simple English-friendly respelling that helps you pronounce the name naturally in conversation and when introducing a child.

IPA: An IPA transcription showing precise pronunciation, useful if you compare regional accents or want linguistic accuracy.

Meaning/Origin: A concise meaning and origin note that explains each name’s root language and cultural background for informed name choice.

Common diminutive(s): Common Polish nicknames and short forms; you can see how families typically shorten names for everyday use.

Polish boy names that start with I

NamePronunciationMeaning/OriginDiminutive(s)
IgorEE-gor /ˈiɡɔr/Old Norse/Slavic, possibly “warrior”Igo, Igorek
Ignacyig-NAH-tsih /iɡˈnat͡sɨ/From Latin Ignatius, “fiery”Igi, Ignacek
Izaakee-ZAHK /ˈizak/Hebrew, “he will laugh”Iza, Izaak, Izaś
Izakee-ZAHK /ˈizak/Variant of Izaak; Hebrew, “he will laugh”Iz, Izio
IwoEE-vo /ˈivɔ/Old Germanic (Yvo), “yew tree” or “archer”Iwek, Iwcio
Ireneuszee-reh-NEH-oosh /irɛˈnɛuʂ/From Greek Irenaeus, “peaceful”Irek, Irenek
Izydoree-ZIH-dor /iˈzɨdɔr/From Greek Isidore, “gift of Isis”Izy, Izydek
Izidoree-ZEE-dor /iˈzidɔr/Variant of Isidore; Greek origin, “gift of Isis”Izi, Izio
Izajaszee-ZAH-yash /iˈzajasz/Polish form of Isaiah; Hebrew prophetic nameIzaj, Izaś
Izraeleez-RA-el /iˈzraɛl/Hebrew, “he who struggles with God”Iz, Izek
IdziEE-jih /ˈid͡ʑi/Polish form of Giles; Greek/Latin medieval originIdzio
Ildefonseel-deh-FONS /ildɛˈfɔns/From Gothic/Latin, saint name “battle ready”Ildek, Fons
IwanEE-vahn /ˈivan/Slavic form of John (Ivan); Hebrew origin (“God is gracious”)Iwanek

Descriptions

Igor
Common in Poland since 20th century; popular, short, used across generations and regions.
Ignacy
Classic Polish name with historical and noble usage; moderately popular today, often evokes tradition.
Izaak
Biblical name revived in modern Poland; growing in popularity among young parents.
Izak
Shorter spelling of Izaak, used informally and increasingly as a given name.
Iwo
Short, distinctly Polish-sounding; rare but historically attested and stylish now.
Ireneusz
Traditional masculine form popular mid-20th century; less common among newborns today.
Izydor
Historic and saintly name, uncommon now but recognized and used occasionally.
Izidor
Older form of Izydor, seen in historical records and some families today.
Izajasz
Biblical, rare in modern Poland; used by families valuing biblical or traditional names.
Izrael
Used particularly in Jewish families and occasionally more broadly; distinctive and biblical.
Idzi
Medieval and saintly name (St. Giles), now rare and often seen in historical contexts.
Ildefons
Antiquated and liturgical; appears in historical documents and among families honoring saints.
Iwan
Used in eastern Poland and among Ukrainian/Belarusian minorities; traditional in border regions.
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