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Name Meaning Origin Popularity Other Gender
Orilla

Announcement from the gods

Latin

Omaira
Odelinda

Praise God

Hebrew

Odelind

A variant form of Odelia.

Ownah

Unity

Irish

Oreatha
Onora

Latin

Onndrea

Manly, virile

Greek

Odiane

Elfin spear

German

Ok
Oliana

Oleander

Oluwanifemi
Oveta
Orenda

Great Spirit

Native American

Osberga

Name of a queen

Anglo-Saxon

Ottiline

Prosperity in battle

German

Ottorina
Orette

Excellence; righteous

Greek

Onaedo

Gold

African

Orion

Dweller on the mountain

Greek

Orthia

Straight

Greek

Oyindamola
Ophelya

Help

Greek

Ouida

“Definitely yes,” from the French oai and the Russian da, both meaning “yes.” A pseudonym coined by the French novelist Louisa de la Ramee, at the suggestion of a Russian friend.

German

Octiana

Eighth

Latin

Olivija

Olive tree

Latin

Onnie
Ornetta

Eagle ruler

German

Oneisha
Orianthe

Flower

Greek

Oria

Wind; sunrise

Latin

Orasia

Spanish

Oneta
Olinija

Russian

Olethea

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

Greek

Olevia
Oz

Strength, Courage

Hebrew

Oliffe

Olive tree

Latin

Oriel

Golden

Latin

Okoth

Born when it was Raining

African

Olianna

Oleander

Ofira

Gold

Hebrew

Omyra

Latin

Odeline

Song

Greek

Olva

Olive tree

Latin

Orel

Golden

Latin

Odelet

Song

Greek

Oluwatomisin
Octaviana

Eighth

Latin

Oluluaboe

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.