133 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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- Oleander
Origin:
Botanical name
- Owen
Origin:
WelshMeaning:
"young warrior; well-born"
- Orion
Origin:
GreekMeaning:
"boundary, limit"
- Oakley
Origin:
EnglishMeaning:
"oak wood or clearing"
- Ozzy
Origin:
Pet form of Oswald, Osborn, Osmond or Oscar, EnglishMeaning:
"divine; deer"
- Onyx
Origin:
Word nameMeaning:
"gem stone; claw, nail"
- Oberon
Origin:
Variation of AuberonMeaning:
"elf king; noble bear"
- Ocean
Origin:
English, nature nameMeaning:
"ocean"
- Ollie
Origin:
Diminutive of Oliver, LatinMeaning:
"olive tree"
- Odysseus
Origin:
Greek mythology nameMeaning:
"wrathful"
- Ori
Origin:
HebrewMeaning:
"my light"
- Oak
Origin:
English tree nameMeaning:
"tree from the genus Quercus"
- Ocean
Origin:
English, nature name
- Oakley
Origin:
EnglishMeaning:
"oak wood or clearing"
- Osian
Origin:
Welsh variation of Oisin, IrishMeaning:
"little deer"
- Oakland
Origin:
American nature name or place nameMeaning:
"oak land"
- Orie
- Oriole
Origin:
LatinMeaning:
"golden"
- Onyx
Origin:
Word nameMeaning:
"gem stone; claw, nail"
- Ottie