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Looking for a sweet or stylish nickname for a boy that starts with the letter O? Whether it’s modern, funny, or traditional, this list has boy nicknames starting with O for every mood and moment — all with their meanings!
Most Popular Nicknames for Boys That Start With O
These nicknames are widely loved and easy to use in any setting.
| Nickname | Meaning |
|---|---|
| Oli | Short for Oliver; means “olive tree” |
| Om | Sacred syllable in Hinduism |
| Ozzy | Short for Oswald/Osbourne; means “divine power” |
| Omar | Flourishing, long-living |
| Omie | Cute take on Om or Omar |
| Orin | Irish origin; means “white, fair” |
| Otto | German origin; means “wealth, prosperity” |
| Ovi | Trendy and lovable |
| Onu | Soft and unique |
| Osho | Derived from spiritual guru Osho |
Common Nicknames for Boys That Start With O
These are simple, everyday-use names with mass appeal.
| Nickname | Meaning |
|---|---|
| Omi | Popular in Indian households |
| Oshu | Soft-sounding and easy to call |
| Olly | Alternate spelling of Oli |
| Omu | Babyish and endearing |
| Onny | Playful variation of Onu |
| Oso | Spanish for “bear” |
| Oto | Short form of Otto |
| Ozi | Quirky variation of Ozzy |
| Oyu | Rare and soothing |
| Oz | Short, mysterious, and bold |
Cute Nicknames for Boys That Start With O
Perfect for little ones, these nicknames are adorable and gentle.
| Nickname | Meaning |
|---|---|
| Ollie Bear | Mix of Oli and “bear”; soft and cuddly |
| Omi Pie | Cute and sweet-sounding |
| Ozzy Boo | Funny and loveable |
| Omu Baby | Endearing and soft |
| Ollipop | Like lollipop — sugary sweet! |
| Ochu | Made-up and babyish |
| Ooozy | Funny and silly |
| Ooshie | For a super-cute little one |
| Ommy | Tender and soft |
| Owo | Popular internet-style cute name |
Modern & Unique Nicknames for Boys That Start With O
Trendy, rare, and full of personality.
| Nickname | Meaning |
|---|---|
| Onyx | A sleek black gemstone |
| Orion | A star constellation |
| Oak | Strong and grounded, like the tree |
| Oziel | Rare and powerful |
| Osian | Welsh origin; means “little deer” |
| Oxton | Modern-sounding, bold name |
| Oberon | Mythical and royal |
| Oric | Tech-style and unique |
| Ozren | Eastern European flair |
| Olz | Short, crisp, and catchy |
Funny Nicknames for Boys That Start With O
Lighthearted names perfect for fun moments and laughs.
| Nickname | Meaning |
|---|---|
| Onion | Silly and fun, especially for toddlers |
| Omelette | For your little breakfast buddy |
| Octo | Like octopus; playful and unique |
| Oinkster | For the cute, chubby baby |
| Oopsie | Adorably clumsy |
| Ozzy Wozzy | Rhyming and cute |
| Orbit | For the space-loving boy |
| Ooh La La | Over-the-top cuteness |
| O-Boy | A fun play on “Oh boy!” |
| Ohno | For the mischievous prankster |
Short Nicknames for Boys That Start With O
Minimal and effective — these are quick and catchy.
| Nickname | Meaning |
|---|---|
| Om | Sacred and simple |
| Oz | Bold and dramatic |
| Ol | Very short form of Oliver |
| OJ | Initial-based; cool and modern |
| O | Just the first letter – sharp and bold |
| Omz | Street-style version of Om |
| Ozx | Edgy twist on Oz |
| Or | Biblical short name |
| Oi | Playful and attention-grabbing |
| Ox | Strong and simple |
FAQs: Boy Nicknames Starting With O
1. What are some Indian nicknames for boys starting with O?
Popular choices include Om, Omi, Omie, and Oshu.
2. Which are some cute baby nicknames starting with O?
Omi Pie, Ollipop, and Ooshie are especially cute for infants.
3. Can I use O as a one-letter nickname?
Yes, using just “O” can be minimalistic and cool.
4. Are there any space-themed nicknames starting with O?
Yes! Orion and Orbit are great options.
5. What’s a good nickname for someone named Oliver?
Oli, Ollie, Olz, or even Ollie Bear would be perfect!
Conclusion
Nicknames starting with O are full of character, from timeless favorites like Om and Ozzy to quirky and modern ones like Orion and Onyx. Whether you want something cute, cool, or completely unique, this list has a perfect nickname for your little one.
