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27 ‘O’Dorable and Unique Baby Names Starting with O

Sure, we all know the common O baby names like Olivia, Oliver and Oscar. But what about Odin, Oakley and Odette? We are oh-so-excited about these adorable names starting with O.

Behold 27 unique choices that might tickle your fancy, especially if specifically looking for an O baby name to match a sibling or carry on a tradition.

names starting with o
If you already have an Oscar or Ollie, you might want another O name to keep the trend going.  Source: Adobe Stock

O baby names are more popular than you may think. Vowel baby names, in general, are often featured on the top 100 baby name lists. In 2023, names starting with O were featured four times across the boys’ and girls’ top 100:

  • Olivia
  • Olive
  • Oliver
  • Oscar

Other common names starting with O include Owen, Otto, Octavia , Ozzy and Otis.

27 unique names starting with O 

Olympia – This name is quite popular among athletics (Usain Bolt and Serena Williams both have Olympias). It’s a lovely name for a little girl destined for greatness and doesn’t make the top 100 list (yet).

Odessa – Mythical, magical and mysterious, Odessa is an enchanting option.

Odette – An elegant choice, Odette is a touch regal with a hint of vintage. The feminine name means “wealthy”.

Oakley – For an earthy name, Oakley certainly fits the mould. A few other options here include Oaklynn, Oaken or even just Oak

October – Calendar names such as May, June and August are pretty common but how about October?

Odin – A poetic moniker, Odin is the ancient God of wisdom, poetry, and death.

Onyx – If you like gemstone names, then Onyx is a great find. The gemstone is meant to bring stability and self-control.

Opal – Another gemstone name, Opal translates to “precious stone”.

Orion – A star of a name, Orion is a great choice for any space buffs.

space baby names - names starting with O - Orion
Source: Bigstock

Oshianna – If you like long and elegant names, like Annabella or Lilianna, then Oshianna may be a perfect fit (pronounced Oceania).

Orla – A pretty pick for any princess, Orla means “golden princess”. Very fitting.

Orville – Old man names are coming back into style – just look at Oscar. Orville could be the next old-school O baby name that enters the top 100. Orville means “gold town”.

Orson – Another old-school option, Orson means “bear cub”.

Ovette – A combination of Yvette and Odette, Ovette is a name many haven’t heard of before. Cute yet classy with a vintage feel, Ovette could be a winner.

Olin – A Swedish name, Olin means “to inherit”.

Oren – Meaning “pine” or “ash”, Oren is a nature name for all earthy parents out there. Other spelling options include Orrin, Orin and Orren.

Ozias – This is one of the more unique Biblical names of today which means “salvation”.

Ophelia – A literary name, Ophelia means “help”.

Oona – This interesting name translates to “one” or “universal”. I’ve also seen it spelled Oonagh.

Orly – Meaning “one light”, this Hebrew name is popular in some countries and is usually given to girls born around Hanukkah, the Festival of Lights.

Oisín – Pronounced UH-SHEEN, this Irish name means “little deer”.

Odie – While Odie will forever be considered the dog from Garfield, I’ve seen it being used as a baby name too. Odie can make a nickname for the more boisterous Odysseus, which might be an option if you like heroic and strong names.

Ottilie – This cute moniker is a vibrant choice for a little fighter. It means “prosperous in battle”.

Oriana – Another really pretty name starting with O, Oriana means “sunrise” and “dawn” and might make a good choice for any Bub born in the early morning.

What to read next

Stay tuned for our entire baby name series as we go through our top picks for unique names starting with every letter of the alphabet.

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Avatar of Jenna Galley

Born and raised in Canada, Jenna now lives in Far North Queensland with her tribe. When the mum-of-three is not writing, you can find her floating in the pool, watching princess movies, frolicking on the beach, bouncing her baby to sleep or nagging her older kids to put on their pants.

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