| Name | Meaning | Origins | Gender | Popularity (last 10y) | |
|---|---|---|---|---|---|
| Jacenty | Hyacinth (the flower) | Polish | Boy | — | |
| Jadwiga | Battle-war | Czech, Polish | Girl | — | |
| Jadwige | Derived from elements meaning 'battle' and 'war/fight'. | Polish | Girl | — | |
| Janiuszck | God is gracious | Polish | Boy | — | |
| Jankiel | Diminutive of Jacob - 'little Jacob' (Jacob meaning 'supplanter') | Polish | Boy | — | |
| Jankiela | God is gracious | Polish | Girl | — | |
| Januisz | Derived from Jan/John - 'Yahweh is gracious.' | Polish, Slavic | Boy | — | |
| Jareck | Diminutive of Jarosław/Yaroslav - 'fierce/strong' or 'spring' + 'glory', roughly 'strong glory' or 'spring glory'. | Polish | Boy | — | |
| Jedrej | From Greek Andreas meaning "man" or "manly, brave" | Polish | Boy | — | |
| Jedryk | Manly; strong, brave | Polish | Boy | — | |
| Jedrzejko | Diminutive/derivative of Jędrzej - 'little/son of Andrew'; Andrew derives from Greek meaning 'manly' or 'man'. | Polish | Boy | — | |
| Jedynak | Only child (typically an only son) | Polish | Boy | — | |
| Jeraldyna | Spear ruler (ruler or warrior with a spear) | French, Germanic, Polish | Girl | — | |
| Jerzyk | Diminutive of Jerzy (Polish form of George); also literally means 'swift' (the bird) in Polish. | Polish | Boy | — | |
| Jezyca | Derived from Polish jeż 'hedgehog' - roughly 'place of hedgehogs' or 'little hedgehog' | Polish, Slavic | Girl | — | |
| Joanka | God is gracious | Polish | Girl | — | |
| Jolanta | Violet | Latin, Old French, Polish | Girl | — | |
| Juliusz | Youthful; devoted to Jupiter | Polish | Boy | — | |
| Jurek | Derived from Greek Georgios meaning 'farmer' or 'earth-worker'. | Polish | Boy | — | |
| Kaliska | 'from Kalisz' or 'of Kalisz' (indicates origin from the Polish town Kalisz) | Polish | Girl | — | |
| Kalka | Associated with the Hindu goddess Kali; in Sanskrit 'kalka' can mean 'stain' or 'blemish' and the name is used devotionally (e.g., Kalka Mata) | Polish, Sanskrit | Girl | — | |
| Karlow | Free man | Germanic, Polish | Boy | — | |
| Karny | Likely a patronymic or diminutive form related to 'Karn'/'Karna' - associated with the Sanskrit 'Karna' (meaning 'ear') or a family/surname origin | Polish | Unisex | — | |
| Karola | Feminine form of Karl/Charles, meaning "free man" - interpreted as "free woman" or "freeholder" | Polish | Girl | — | |
| Karolcia | Diminutive of Karolina/Karol; derived from Germanic Karl meaning 'free man' or 'free person'. | Polish | Girl | — | |
| Karolka | Diminutive of Karolina/Karol - from Karl, meaning "free man" (applied as 'little/free woman' in feminine form) | Polish | Girl | — | |
| Kashie | Most often a diminutive/variant of Kasia/Katherine meaning "pure", though it can also be an Anglicized form of Kashi meaning "from Kashi/Varanasi". | English, Hindi, Polish, Sanskrit | Girl | — | |
| Kasienka | Diminutive of Kasia/Katarzyna (Catherine) - 'little Kasia'; underlying meaning 'pure'. | Polish | Girl | — | |
| Kasimierz | Bringer or proclaimer of peace | Polish | Boy | — | |
| Kasja | Pure | Polish, Slavic | Girl | — | |
| Kawa | Kurdish/Persian: 'the blacksmith' (legendary Kurdish hero associated with Newroz). Japanese: 'river'. Polish: means 'coffee' (not used as a personal name). | Japanese, Persian, Polish | Boy | — | |
| Kayko | Uncertain - generally a diminutive meaning 'child of Kay' or, if Japanese-derived, a '-ko' name meaning '…child' (comparable to Keiko, often interpreted as 'adored/blessed child' depending on kanji). | Polish, Slavic | Unisex | — | |
| Kazimerz | From Slavic elements kaziti ('to destroy/annul' or 'to proclaim') + mir ('peace' or 'world'); commonly interpreted as 'proclaimer/keeper of peace' or 'one who brings peace'. | Polish, Slavic | Boy | — | |
| Kazimiera | From Kazimierz/Casimir - commonly interpreted as 'bringer' or 'proclaimer of peace' (from Slavic elements kaziti 'to proclaim/ruin' + mir 'peace, world') | Polish | Girl | — | |
| Kazimierzs | From Slavic kaziti 'to destroy' + mir 'peace/world' - often rendered 'destroyer of peace' or more positively 'proclaimer/keeper of peace'. | Polish | Boy | — | |
| Kazmiera | Feminine form of Kazimierz (Casimir), commonly interpreted as 'bringer or proclaimer of peace' | Polish, Slavic | Girl | — | |
| Kicia | Little cat; kitty; affectionate pet name | Polish | Girl | — | |
| Kilar | Uncertain - attested as a Polish surname (meaning unclear); possibly connected to Gaelic 'cill' meaning 'church' in place-name contexts. | Polish | Boy | — | |
| Kisia | Uncertain - origin-dependent. Could be a local/placename in East Africa, a diminutive related to Katherine ('pure') if linked to Kasia, or related to Kesia/Keziah (cassia/spice) in other traditions. | African American, English, Polish, Slavic, Swahili | Girl | — | |
| Konie | Diminutive of Constance meaning 'steadfast, constant'; alternatively related to Polish 'konie' meaning 'horses'. | Polish | Girl | — | |
| Konstancja | Steadfast, constant; faithfulness | Polish | Girl | — | |
| Kordian | Related to 'heart' - hearted, heartfelt, or brave‑hearted (likely derived from Latin 'cor') | Polish | Boy | — | |
| Kotka | Finnish: "eagle"; Polish/Slavic: "female cat" (diminutive of kot) | Finnish, Polish, Slavic | Girl | — | |
| Kreszencja | Growth, increase; 'one who grows' | Polish | Girl | — | |
| Krysia | Follower of Christ; 'Christian' | Polish | Girl | — | |
| krystan | Follower of Christ | Polish | Boy | — | |
| Krystynia | Follower of Christ (Christian); 'anointed one' | Polish | Girl | — | |
| Krystynka | Follower of Christ (also 'anointed') | Polish | Girl | — | |
| Krystynna | Follower of Christ; 'anointed' | Polish | Girl | — | |
| Krysztof | Bearer of Christ | Polish | Boy | — |
Aggregated births across United States, United Kingdom, France, Germany for every Polish-origin name in our dataset.