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Name Meaning Origin Popularity Other Gender
Otis
Osceola

Black Drink Bellower

Native American

Osanna

Save, we pray

Latin

Ophelya

Help

Greek

Oba

African

Oliviagrace
Ovida
Opale
Onora

Latin

Odelette

Song

Greek

Osmara
Ontibile

God is Watching Over Me

African

Ortensya

Italian

Orlena

“The golden maiden,” from the French or, gold.

French

Orya

Light

Hebrew

Ordell

Little knife

English

Olivianna
Olina

Joyous

Polynesian

Owen
Olympia

From Mount Olympus

Greek

Onella

Light

Greek

Ojal

Vision

Indian (Sanskrit)

Oonah

Pure, holy

Greek

Ollie

Olive tree

Latin

Ozana
Olevia
Odaly
Oracle

Prophecy

Greek

Okal

To Cross

African

Odell

Song

Greek

Oheo
Oddie
Oonagh

Pure, holy

Scottish

Omaria
Osnas
Ottorina
Odaliz
Olly

A diminutive form of Olivia.

Orrnett

Eagle ruler

German

Orrinthia
Odesser
Ohtli

Road

Aztec (Nahuatl)

Ophira

Gold

Hebrew

Onnolee
Omar
Orel

Golden

Latin

Ornett

Eagle ruler

German

Olethea

“The gift of the gods,” from the Greek olene (the arm; figuratively, assistance, a gift) and theos (a god).

Greek

Orange
Ovetta

Oh my, oh my, there’s nothing like girl names that start with O. A dramatic letter fit for the stage, the letter O is in a league of its own. Unlike most other vowel monikers that are seen as soft and serene, O names for girls are mostly bold and assertive. There are names like the great Oceana and Orianna as well as the Greek goddess of Olympia all waiting for their time on center stage.

Of course there are plenty of softer baby girl names that start with O like everyone’s favorite darling Olivia. There are also her sisters Olive and Oliva that are just as beautiful as their more well-known relative.

If you look a little deeper into unique girl names that start with O, you’ll find such stunners as Oona and Ora. Baby girl names starting with O are fairly uncommon and bursting with opportunities to spin off of popular naming trends. Rather than Raven, why not try out October for a similar vibe? For a rarer twist on the unisex name trend, give Ollie a chance.

Girl names that start with O are versatile, coming from many backgrounds and styles. Whether you’re a vintage namer or more of a modern maven, you’ll find great girl names that start with O.