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"
Odette
French, from German
"wealthy"
Ophelia
Greek
"help"
Ottilie
German, French
"prosperous in battle"
Olive
English, from Latin, nature name
"olive tree"
Orla
Irish
"golden princess"
Odeya
Hebrew
"I will thank God"
Opal
Sanskrit
"gem"
Odessa
Russian form of Odesa, Ukrainian place-name
"voyage"
Oona
Irish, variation of Una
"lamb"
Oakley
English
"oak wood or clearing"
Octavia
Latin
"eighth"
Odile
French variation of German Otthild
"prospers in battle"
Olympia
Greek
"from Mount Olympus"
Oriana
Latin
"dawn; gold"
Orchid
From Greek
"orchid flower"
Ottessa
Variation of Atossa, Greek from Persian
"bestowing very richly, well trickling, well granting"
Ollie
Short form of Olive or Olivia, Latin
"olive tree"
Odelia
Hebrew, German
"I will praise the Lord or wealth"
Olga
Slavic variation of Helga, Norse
"holy"
