Baby names starting with O
Looking for baby names starting with O? You are in the right place. Our collection holds 63 names that begin with O — 42 for boys, 20 for girls and 1 for unisex — drawn from 16 traditions including African, Celtic, Christian, French, German and more. Every name below shows its meaning, origin and gender, so you can compare candidates at a glance before saving your favourites.
Among the most-loved O-names for boys are Omar, Om, Omkar, Onkar. For girls, favourites include Olivia, Ojaswini, Ovi, Ojasvi. Whether you want a baby boy name with deep meaning, a modern unique pick or a family favourite, the list below is a great place to start.
Try saying each name out loud with your surname, and shorten it to see if you love the nickname too. When a few O-names feel right, use the free baby names generator to filter further by religion, rashi or a meaning you admire — then heart the keepers and check how they flow with a middle or sibling name.
O baby names with meanings
The most popular O-names first, sorted by popularity. Tap any name in the generator to see its full description and similar suggestions.
| Name | Meaning | Origin | Gender |
|---|---|---|---|
| Olivia | Olive tree, peace | Christian | girl |
| Omar | Flourishing, long-lived | Muslim | boy |
| Om | Sacred sound, universe | Hindu | boy |
| Omkar | Sacred syllable Om | Hindu | boy |
| Onkar | Form of Om, creator | Hindu | boy |
| Ojas | Vitality, energy | Hindu | boy |
| Ojasvi | Radiant, energetic | Hindu | boy |
| Ojaswini | Radiant, energetic | Hindu | girl |
| Ovi | Sacred song, melody | Hindu | girl |
| Om | Sacred sound, universe | Hindu | unisex |
| Ovi | Sacred song, melody | Hindu | boy |
| Om Prakash | Light of Om | Hindu | boy |
| Ojaswin | Energetic, radiant | Hindu | boy |
| Omesh | Lord of Om | Hindu | boy |
| Ojasvi | Radiant, energetic | Hindu | girl |
| Ona | Light, time | Hindu | girl |
| Oni | Home, earth | Hindu | girl |
| Obaid | Servant (of Allah) | Muslim | boy |
| Osman | Most powerful, young snake | Muslim | boy |
| Owais | Gift, generous | Muslim | boy |
| Omer | Flourishing, long-lived | Muslim | boy |
| Omair | Long-lived | Muslim | boy |
| Obaidullah | Servant of Allah | Muslim | boy |
| Obadiah | Servant of God | Christian | boy |
| Oliver | Olive tree, peace | Christian | boy |
| Oscar | God's spear, deer friend | Christian | boy |
| Oswald | God's power | Christian | boy |
| Owen | Young warrior, noble | Christian | boy |
| Olive | Olive tree, peace | Christian | girl |
| Opal | Precious stone | Christian | girl |
| Ophelia | Help, aid | Christian | girl |
| Oakley | Oak tree meadow | Western | boy |
| Odysseus | Wrathful, odyssey hero | Greek | boy |
| Orion | Hunter, constellation | Greek | boy |
| Olympia | From Mount Olympus | Greek | girl |
| Octavius | Eighth | Latin | boy |
| Octavia | Eighth | Latin | girl |
| Orla | Golden princess | Irish | girl |
| Odette | Prosperous in wealth | French | girl |
| Otto | Wealth, fortune | German | boy |
| Olaf | Ancestor's relic | Scandinavian | boy |
| Omid | Hope | Persian | boy |
| Octavian | Eighth | Latin | boy |
| Ovid | Shepherd | Latin | boy |
| Oren | Pine tree | Hebrew | boy |
| Odelia | I will praise God | Hebrew | girl |
| Ori | My light | Hebrew | girl |
| Oisin | Little deer | Irish | boy |
| Oonagh | Lamb, unity | Irish | girl |
| Olivier | Olive tree | French | boy |
| Oskar | God spear | Scandinavian | boy |
| Okonkwo | Born on the market day | African | boy |
| Osei | Noble, honourable | African | boy |
| Ola | Wealth, fortune | African | girl |
| Ohe | Bamboo | Hawaiian | girl |
Showing 55 of 63 O-names. Open the generator and set the starting letter to O to browse the complete list with filters.
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O baby names FAQ
What are popular baby names starting with O?
Popular O-names include Olivia (girl), Omar (boy), Om (boy), Omkar (boy), Onkar (boy), Ojas (boy). There are 63 O-names in our collection — 42 for boys, 20 for girls and 1 for unisex — so you will find plenty of classic and modern options.
What does the name Olivia mean?
Olivia means "Olive tree, peace" and comes from the Christian tradition. You can tap any name in the table below to see its full meaning, origin and gender.
How do I find more baby names starting with O?
Open the free baby names generator, set the starting letter to O and combine it with a gender, origin or meaning to narrow the list instantly. You can also jump to another letter using the A–Z grid on this page, or browse African, Celtic, Christian names to see related options.