237 Unisex Names That Start With O (With Meanings and Popularity)
Updated Tue Sep 05 2023
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Unisex names that start with O are flying high in the style stakes right now, with other O-starting choices like Oliver and Olivia, Owen and Odin at an all-time high.
Two up-and-coming unisex O names, Oakley and Ocean, rank among the most popular unisex names to achieve an almost-equal gender split, making either one an awesome androgynous choice.
Here, our full selection of unisex names that start with O, ordered by their current popularity on Nameberry. Each name is used more often for the gender indicated by its heart.
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- Opha
Origin:
Greek, HebrewMeaning:
"help; fawn"
- Ophelia
Origin:
GreekMeaning:
"help"
- Olivia
Origin:
LatinMeaning:
"olive tree"
- Oscar
Origin:
English or IrishMeaning:
"God spear, or deer-lover or champion warrior"
- Oliver
Origin:
Germanic, LatinMeaning:
"elf army; ancestor's relic; olive tree"
- Owen
Origin:
WelshMeaning:
"young warrior; well-born"
- Otto
Origin:
GermanMeaning:
"wealthy"
- Orion
Origin:
GreekMeaning:
"boundary, limit"
- Otis
Origin:
Variation of Otto, GermanMeaning:
"wealthy"
- Olive
Origin:
English, from Latin, nature nameMeaning:
"olive tree"
- Ozzy
Origin:
Pet form of Oswald, Osborn, Osmond or Oscar, EnglishMeaning:
"divine; deer"
- Orla
Origin:
IrishMeaning:
"golden princess"
- Octavia
Origin:
LatinMeaning:
"eighth"
- Oren
Origin:
HebrewMeaning:
"laurel or pine tree"
- Opal
Origin:
SanskritMeaning:
"gem"
- Onyx
Origin:
Word nameMeaning:
"gem stone; claw, nail"
- Oakley
Origin:
EnglishMeaning:
"oak wood or clearing"
- Oberon
Origin:
Variation of AuberonMeaning:
"elf king; noble bear"
- Odessa
Origin:
Russian form of Odesa, Ukrainian place-nameMeaning:
"voyage"
- Osiris
Origin:
EgyptianMeaning:
"with strong eyesight"