Nicknames for Boys That Start With O

Nicknames for Boys That Start With O

Last Updated on June 1, 2025 by Team FinderWheel

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.