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Name Meaning Origin Popularity Other Gender
Olwyn

White footprint

Welsh

Olesja
Ossi
Osberga

Name of a queen

Anglo-Saxon

Ohio

Large River

Native American

Oliviamae
Onoria

Unknown

European

Oleta

Small winged one

Latin

Onyinyechi
Otameesia
Oorjita

Powerful Woman

Indian (Sanskrit)

Odean
Ohtli

Road

Aztec (Nahuatl)

Orlean
Odelyna

Little wealthy one

Anglo-Saxon

Ornina
Orlinda
Ofilia

Help

Greek

Ovella
Oveline
Oksanna

Praise God; dawn

Russian

Oliviagrace
Oriya
Oriola

Golden

Latin

Oneta
Ozzy
Obioma

Kind Hearted

African

Octavia

Eighth

Latin

Oluwadamilola
Orie
Olivette

Olive tree

Latin

Oyuki
Orfea

Beautiful voice

Greek

Ornice

Combination of Ornella and Janice

American

Ozelle
Oretha

Excellence; righteous

Greek

Osmara
Odeletta

Little spring

French

Ownah

Unity

Irish

Osnas
Orpha
Ortrude

A variant form of Ortrud.

October

Eighth month

Latin

Oleen

Joyous

Polynesian

Olwenn

White footprint

Welsh

Odelette

Song

Greek

Oletha
Odalys

Invented name

Spanish

Oanh
Obama

Slightly Bent

African

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.