This page brings together 15 German boy names that start with the letter O, running alphabetically from “Oskar” to “Orban.” These names carry a mix of Germanic, Norse, and Latin roots, and many have been favorites in German-speaking homes for generations. Parents browse lists like this one when searching for a name that feels both classic and meaningful for their son.

German boy names are the traditional and modern first names given to boys in Germany and other German-speaking regions. Many trace back to ancient Germanic words for strength, wealth, or protection, and some, like Otto, were once worn by powerful Holy Roman Emperors.

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

Name: This shows you the exact spelling of each German boy name, so you can see how it looks in writing and compare your favorites.

Pronunciation: This gives you a simple, syllable-by-syllable guide so you can say each name correctly and feel confident sharing it out loud.

Meaning: This explains the original sense behind each name, helping you choose one whose message matches the qualities you hope your son will carry.

Description: This offers a short background on each name, covering its roots, popularity, and cultural notes so you can understand its story at a glance.

German boy names

NamePronunciationMeaning
OskarOSS-karGod’s spear / divine spear
OttoOT-tohWealth, fortune, prosperity
OleOH-luhAncestor’s descendant
OlafOH-lahfAncestor’s heir / forefather’s relic
OliverOH-lee-verOlive tree / ancestor’s descendant
OswaldOSS-valtDivine power / God’s rule
OrtwinORT-vinPoint friend / spear friend
OdoOH-dohWealth, riches
OlefOH-leffAncestor’s heir
OnnoON-nohAncestor / forebear
Octavianok-TAH-vee-ahnThe eighth
OdinOH-dinFury, inspiration
OlekOH-leckDefender of mankind
OmarOH-marFlourishing, long-lived
OrbanOR-bahnOf the city / urban

Descriptions

Oskar
A classic German form of Oscar, popular across German-speaking countries. It blends Germanic and Old Norse roots and has long ranked among Germany’s favorite boy names.
Otto
An ancient Germanic name borne by several Holy Roman Emperors. Short and strong, it has seen a major revival in modern Germany.
Ole
A short, friendly name of Scandinavian origin that is widely used in northern Germany. It is a diminutive form of Olaf.
Olaf
A name of Old Norse roots common in Germany, especially the north. It carries connotations of heritage and lineage.
Oliver
A widely loved name in Germany of debated origin, linked either to the olive tree or Norse roots. It consistently ranks near the top of German name charts.
Oswald
A Germanic name combining “god” and “power,” once borne by an Anglo-Saxon saint-king. It has a stately, old-world feel.
Ortwin
An old Germanic name pairing “edge” or “point” with “friend.” It appears in medieval heroic poetry such as the Nibelungenlied.
Odo
A short medieval Germanic name meaning prosperity, related to Otto and Otho. It has a compact, antique charm.
Olef
A northern German variant of Olaf, rooted in Old Norse. It is uncommon but historically grounded.
Onno
A Frisian name from northern Germany, often linked to forefathers and heritage. It is short, distinctive, and regional.
Octavian
A Latin-rooted name historically used in Germany, famously linked to the Roman emperor Augustus. It conveys nobility and classical heritage.
Odin
Though Norse in origin, this name for the chief god is used by some German families. It carries strong mythological weight.
Olek
A short form of Alexander used in German-speaking and Slavic communities. It is friendly and approachable.
Omar
A name with Arabic and Germanic crossover used in modern multicultural Germany. It conveys longevity and prosperity.
Orban
A name of Latin roots occasionally found in German regions. It relates to the word for “city dweller.”
If you think there is a missing term, let us know using the contact form.