Baby Names Starting With O

Olivia has held #1 girl name for years. Oliver is in the top 5 for boys. If O names are your territory, you're starting with the most popular letter in America right now.

1,616 names — click any name for full meaning, origin, and safety analysis

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#1

Olivia

Girl

olive tree

English
#3

Oliver

Boy

elf warrior

English
#26

Owen

Boy

young warrior

Welsh
#156

Oaklynn

Girl

oak tree, pool

American
#157

Oakley

Girl

oak tree clearing

English
#170

Olive

Girl

olive tree

English
#217

Oscar

Boy

deer lover, champion warrior

English
#260

Omar

Boy

populous, thriving

Arabic
#261

Ophelia

Girl

help, aid

Greek
#274

Otto

Boy

wealth, fortune, prosperity

German
#294

Octavia

Girl

eighth

Roman
#326

Orion

Boy

light of heaven

English
#359

Onyx

Boy

black gemstone

American
#411

Oakley

Boy

clearing among oaks

English
#449

Opal

Girl

precious stone

English
#480

Odin

Boy

divine inspiration, fury, frenzy

Norse

Oaklee

Girl

oak tree clearing

American

Ocean

Boy

great surrounding sea

American

Oaklyn

Girl

oak tree meadow

American

Ozzy

Boy

divine power (from Oswald)

English

Omari

Boy

God the highest (variant interpretation)

Swahili-speaking African

Oakleigh

Girl

clearing with oak trees

English

Otis

Boy

son of Otto

Germanic

Ocean

Girl

world-encircling river

English

Orlando

Boy

famous land

Italian

Ozias

Boy

my strength is Yahweh

Hebrew

Osiris

Boy

throne of the eye (possible etymology)

Egyptian

Osman

Boy

founder, builder (cultural meaning)

Turkish

Ollie

Boy

elf warrior

English

Oziel

Boy

my power is God

Jewish

Odette

Girl

wealth, fortune

French

Osiel

Boy

God is my strength

Spanish

Onyx

Girl

claw, fingernail (Greek)

American

Oakland

Boy

land of oak trees

American

Osvaldo

Boy

divine power, God's power

Spanish

Octavio

Boy

eighth

Spanish

Oren

Boy

pine tree

Hebrew

Ozzie

Boy

divine power

English

Obadiah

Boy

servant of God

Jewish

Orson

Boy

bear

English

Ori

Boy

light of God

Hebrew

Odessa

Girl

angry, wrathful

American

Oaklen

Boy

strong as an oak

English

Oskar

Boy

god spear

Scandinavian

Oriana

Girl

rising, sunrise

Italian

Ofelia

Girl

helper, one who assists

Spanish

Oziah

Boy

my strength is Yahweh

Jewish

Oslo

Boy

god's field, divine meadow

Norwegian

Oaklee

Boy

oak woodland settlement

American

Obed

Boy

servant, worshipper of God

Hebrew

Octavius

Boy

of the eighth

Roman

Omer

Boy

eloquent, flourishing

Israeli

Oswald

Boy

divine power, God's rule

English

Olin

Boy

forefather

Scandinavian

Om

Boy

universal consciousness

Indian

Oden

Boy

the frenzied one, the inspired

Scandinavian

Orhan

Boy

army of the ruler, warrior chief

Turkish

Orin

Boy

pine tree

Irish

Olsen

Boy

son of Ole (ancestor)

Norwegian

Ollie

Girl

ancestor's descendant

English

Octavian

Boy

eighth

Roman

Ottilie

Girl

Osmar

Boy

god + famous

Portuguese

Oak

Boy

strength, endurance

English

Olympia

Girl

home of the gods

Greek

Oona

Girl

lamb

Irish

Orla

Girl

golden princess, golden sovereign

Irish

Osiah

Boy

God supports

American

Omarion

Boy

modern elaboration of Omari

African American

Olivier

Boy

symbol of peace and wisdom

French

Orrin

Boy

pine tree

American

Oshea

Boy

God saves, salvation (Hebrew Hoshea)

Hebrew

Ozzy

Girl

strength of God (through Uziah)

American

Ozzie

Girl

divine strength (from Osbourne)

American

Oaks

Boy

oak trees, oak grove

American

Olen

Boy

ancestor's descendant

Scandinavian

Oaklie

Girl

meadow of oaks

American

Oswaldo

Boy

divine power

Spanish

Odelia

Girl

wealth, fortune

Jewish

Oakes

Boy

dweller near the oak trees

American

Ojas

Boy

divine vitality, life force

Indian

Ousmane

Boy

form of Uthman, companion of the Prophet

West African

Oz

Boy

strength, power, courage

Israeli

Oaklan

Boy

land of oaks

American

Ovidio

Boy

of the sheep family, shepherd lineage

Italian

Odysseus

Boy

wrathful, to cause pain

Greek

Omri

Boy

eloquent, verbose speaker

Hebrew

Oseias

Boy

deliverer, liberator

Brazilian

Opie

Boy

wealthy friend, divine wealth

American

Omega

Boy

completion, eternity

American

Olga

Girl

holy, blessed

Russian

Olson

Boy

ancestors relic, heir

American

Oaklyn

Boy

oak lake

American

Ora

Girl

short form of Aurora (dawn)

Jewish

Ohana

Girl

family, extended family

Hawaiian

Owais

Boy

gift

Arabic

Odalys

Girl

heritage, homeland

Spanish

October

Girl

eighth month

English

Oakland

Girl

land of oak trees

American

Oumar

Boy

flourishing, long-lived

West African
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