Baby Names

Boy Names Starting with O

Explore baby boy names starting with O. From timeless classics to rising stars, every name here links to a full page with meaning, origin, pronunciation, and playground safety analysis.

100 names — click any name for full meaning, origin, and safety analysis

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#3

Oliver

elf warrior

English
#26

Owen

young warrior

Welsh

Oscar

God's spear

English

Omar

populous, thriving

Arabic

Otto

wealth, fortune, prosperity

German

Orion

light of heaven

English

Onyx

fingernail, claw

American

Oakley

clearing among oaks

English

Odin

divine inspiration, fury, frenzy

Norse

Ocean

world-encircling waters

American

Ozzy

divine power (from Oswald)

English

Omari

God the highest (variant interpretation)

Swahili-speaking African

Otis

wealth, fortune

Germanic

Orlando

glory of the land

Italian

Ozias

God is my strength

Hebrew

Osiris

throne of the eye (possible etymology)

Egyptian

Osman

young bird, baby bustard

Turkish

Ollie

elf warrior

English

Oziel

my power is God

Jewish

Osiel

strength of God

Spanish

Oakland

land of oak trees

American

Osvaldo

power of the gods

Spanish

Octavio

eighth

Spanish

Oren

pine tree

Hebrew

Ozzie

divine power

English

Obadiah

worshipper of Yahweh

Jewish

Orson

bear

English

Ori

light of God

Hebrew

Oaklen

strong as an oak

English

Oskar

god spear

Scandinavian

Oziah

God is my strength

Jewish

Oslo

meadow of the gods

Norwegian

Oaklee

oak woodland settlement

American

Obed

servant, worshipper of God

Hebrew

Octavius

eighth-born

Roman

Omer

sheaf of grain; biblical unit of measure

Israeli

Oswald

godly ruler

English

Olin

forefather

Scandinavian

Om

sacred primordial sound

Indian

Oden

the frenzied one, the inspired

Scandinavian

Orhan

army of the ruler, warrior chief

Turkish

Orin

pine tree

Irish

Olsen

son of Ole (ancestor)

Norwegian

Octavian

eighth

Roman

Osmar

divinely famous, famous through God

Portuguese

Oak

strength, endurance

English

Osiah

God supports

American

Omarion

flourishing, long-lived

African American

Olivier

symbol of peace and wisdom

French

Orrin

pale, light-skinned

American

Oshea

descendant of the hawk-like one (Irish)

Hebrew

Oaks

oak trees, oak grove

American

Olen

ancestor's descendant

Scandinavian

Oswaldo

divine power

Spanish

Oakes

dweller near the oak trees

American

Ojas

divine vitality, life force

Indian

Ousmane

form of Uthman, companion of the Prophet

West African

Oz

strength, power, courage

Israeli

Oaklan

land of oaks

American

Ovidio

of the sheep family, shepherd lineage

Italian

Odysseus

child of Zeus (folk etymology)

Greek

Omri

eloquent, verbose speaker

Hebrew

Oseias

deliverer, liberator

Brazilian

Opie

surname used as given name

American

Omega

completion, eternity

American

Olson

ancestors relic, heir

American

Oaklyn

Owais

Oumar

Oriel

Oberon

Othniel

Obi

Oryan

Oswin

Oseas

Ollivander

Othman

Osias

Oisin

Orlin

Owyn

Obaida

Ostin

Olan

Odell

Omir

Olvin

Orian

Oran

Ozan

Oaklin

Obsidian

Oaken

Ole

Odyn

Ozziel

Onix

Obie

Olyver

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