555 Girl Names That Start With O (with Meanings and Popularity)
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About this list
Girl names that start with O are trending right now, with attractive O-starting options like Olive, Opal, and Ophelia all rising rapidly up the popularity rankings, while still retaining their quirky charm.
O names for girls are particularly popular across the pond in Britain: along with current #1 girl name Olivia, other popular O-starting picks in the Top 1000 for England and Wales include sweet Scottish Orla, sassy Ottilie, and sophisticated Octavia.
In the US, O names remain relatively rare, with only Olive, Ophelia, Oakley, and Oaklee joining Olivia in the Top 500 girl names in recent years.
Along with Orla and Ottilie, other original O baby names for girls include chic French options Odette and Oceane, fresh nature names Onyx and Ochre, and geographical picks Odessa and Olympia.
Here, our full selection of girl names that start with O, ordered by their current popularity on Nameberry.
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The names
Olivia
Latin
"olive tree"
Ottilie
German, French
"prosperous in battle"
Ophelia
Greek
"help"
Odette
French, from German
"wealthy"
Olive
English, from Latin, nature name
"olive tree"
Orla
Irish
"golden princess"
Octavia
Latin
"eighth"
Odessa
Russian form of Odesa, Ukrainian place-name
"voyage"
Oona
Irish, variation of Una
"lamb"
Opal
Sanskrit
"gem"
Odeya
Hebrew
"I will thank God"
Oriana
Latin
"dawn; gold"
Oakley
English
"oak wood or clearing"
Odelia
Hebrew, German
"I will praise the Lord or wealth"
Odile
French variation of German Otthild
"prospers in battle"
Olympia
Greek
"from Mount Olympus"
Olga
Slavic variation of Helga, Norse
"holy"
Ottessa
Variation of Atossa, Greek from Persian
"bestowing very richly, well trickling, well granting"
Ona
Lithuanian variation of Anna, Catalan diminutive of Mariona
"grace; wave; bitter; wished-for child"
Olívia