127 Boy Names Starting With O

Welcome to the world of adorable baby boys and the letter O. Choosing the perfect name for your little bundle of joy can be quite a delightful adventure and what better way to embark on this journey than by exploring a collection of baby boy names that start with the 15th letter of the alphabet. Oh, the wonders that await.

Sometimes, we find ourselves blessed with family traditions or personal preferences that narrow down our choices, like opting for names that begin with a specific letter. From the classics that exude charm to the unique and magical, the letter O has it all.

So, get ready to be ‘o-verwhelmed’ with options that will make your little one shine brighter than the ‘o-cean’ itself. We asked our huge online community of half a million mums who shared the baby names that they felt were totally darling.

O boy names with a theme

You can find great inspiration from themes, and the letter O brings the goods with plenty of attitude to boot.

Some are nature-based without being obvious, others have a celebrity stamp of approval and some are fitting for both boys and girls.

• Nature: Orion, Oakley, Ocean, Otter, Osprey, Onyx, Otis, Osborn
• Places: Orlando, Oslo, Oakland, Odessa, Ottawa, Oahu, Oxford
• Vintage-inspired: Oswald, Orville, Orson, Omer, Odis, Octavius
• One-syllable: Osh, Ode, Om, Oll, Orr, Oan

Boy nicknames that start with O

Australians just love to shorten or Aussie-fy a name, so it makes sense that we’re comfortable in giving our babies a nickname as their actual name.

O has some cute contenders – could something short and sharp be on your shortlist?

• Ollie
• Oak
• Ozzie
• Ox

Iconic O names for boys

Pay homage to one of these icons with a name that’s truly regal. From designers, artists and celebrities, it’s hard not to look past O.

• Orlando: a celebrity-inspired name, after actor Orlando Bloom.
• Ozzie: after American rockstar Ozzie Osbourne
• Oscar: a literary name, after the novelist Oscar Wilde
• Orson: after American actor, director and writer Orson Welles
• Obi: May the Fourth be with your little one with this Star Wars inspired name, after Obi-Wan Kenobi
• Oleg: a French name, after designer Oleg Cassini know for his work with Jacqueline Kennedy

Unique O names for boys

Give your son a truly unmissable name with something unique and oh-so-different. Turn heads with these rare gems:

• Othello
• Oziel
• Obadiah
• Olan
• Osias

Pairings for O names

If you’re partial to a hyphenated name, we’ve got some uber-cool pairings for you to consider:

• Ollie-James
• Otto-John
• Oliver-Lee
• Osias-Ryan
• Oscar-Thomas
• Otis-Jackson

Celebrity sons that start with O

• Carrie Bickmore’s son, Oliver
• Maya Rudolph’s son, Orson
• Nikki Reed’s son, Ocean
• Mandy Moore’s son, Oscar
• Tobey Maguire’s son, Otis
• Luke Cook’s son, Ozzie
• Gordan Ramsay’s son, Oscar
• Missy Peregrym’s son, Otis
• Jason Sudeikis’ son, Otis
• Kyle Sandilands’ son, Otto
• Milla Jovovich’s son, Osian

 

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More boy names that start with O

If your heart is set on a son with a name starting with O here are (quite a few) of our favourites: