This list includes 17 Polish boy names that start with O, from “Odo” to “Otton”. They range from medieval forms to modern choices, often reflecting Slavic, Germanic, or Latin roots. Use this list for naming, genealogy, and cultural research.
Polish boy names that start with O are male given names used in Poland that begin with the letter O. Some have medieval roots and notable historical bearers in Polish history.
Below you’ll find the table with Name, Pronunciation (including IPA where available), Meaning / Origin, and Common diminutive.
Name: You see each given name as used in Poland for quick scanning and alphabetical lookup.
Pronunciation (respelling and IPA): You get an English-friendly respelling and IPA when available to help you pronounce names correctly.
Meaning / Origin: You receive a concise one-line meaning or origin note to explain the name’s cultural background.
Common diminutive: Where common, a familiar short form is shown so you know everyday or affectionate usages.
Polish boy names that start with O
| Name | Pronunciation | Meaning/Origin | Diminutive/Variants |
|---|---|---|---|
| Oskar | OH-skar (/ˈɔskar/) | Germanic, likely “god-spear” or “deer-spear” | Oskarek, Oskuś |
| Olaf | OH-laf (/ˈɔlaf/) | Old Norse, “ancestor’s descendant” (heir) | Olafek, Olo |
| Olgierd | ol-GYERD (/ˈɔlɡʲɛrt/) | Lithuanian (Algirdas), “all-hearing” or “all-heard” | Algirdas (variant) |
| Olbracht | ol-BRAHT (/ɔlˈbraxt/) | From Albrecht/Albert, “noble, bright” | Albrecht (variant) |
| Odon | OH-don (/ˈɔdɔn/) | Germanic (Odo), “wealth, fortune” | Odo (variant) |
| Odo | OH-do (/ˈɔdɔ/) | Germanic, “wealth, fortune” (short form) | Odon (variant) |
| Onufry | o-NU-fri (/ɔˈnufrɨ/) | Greek/Coptic (Onuphrius), “well-being” or “he who is well” | Onuś |
| Olek | OH-lek (/ˈɔlɛk/) | Diminutive of Aleksander; used independently | Oleczek, Olo |
| Oleg | OH-leg (/ˈɔlɛɡ/) | East Slavic from Old Norse Helgi, “holy, blessed” | Oleh (Ukrainian variant) |
| Orest | oh-REST (/ˈɔrɛst/) | Greek, from Orestes, “mountain dweller” | Orestek, Oresio |
| Ostap | OS-tap (/ˈɔstap/) | Ukrainian form (from Eustace/Eustathius), “steadfast” | Ostapek |
| Oktawian | ok-TAH-vyan (/ɔkˈtavjan/) | Latin Octavianus, “eighth” (born eighth) | Oktaw, Oktawianek |
| Oktawiusz | ok-TAH-vyoosh (/ɔkˈtavjuʂ/) | Latin Octavius, “eighth” or from Octavian | Oktaw, Oktawiuszek |
| Omar | OH-mar (/ˈomar/) | Arabic, “long-lived, flourishing” | — |
| Orion | o-RYON (/ɔˈrjon/) | Greek mythological hunter; constellation name | Ori |
| Oswald | os-VALD (/ɔsˈvald/) | Old Germanic, “god-ruler” | Osiu, Oswaldek (rare) |
| Otton | OT-ton (/ˈɔtɔn/) | From Otto, Germanic “wealth, fortune” | Otek, Otto (variant) |