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120 Cat Names That Start with O: Original Choices for Your Kitty

Sealpoint Ragdoll on blue background
Image Credit: Linn Currie, Shutterstock
Last Updated on November 16, 2023 by Rachel Giordano
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Do you have a new cat or kitten that needs a name? Naming your new furry friend may be a daunting task if nothing comes to mind. You may run down the letters in the alphabet to come up with a name, or perhaps your new fur baby’s personality reminds you of a character on your favorite show. Speaking of the alphabet, have you considered the letter “O” as inspiration?

The letter “O” may not be the first letter that comes to mind when trying to find names for your cat, but surprisingly, there are quite a few names that start with the letter “O” that just might work for you!

In this post, we’ll list 120 of these names and break them down by celebrity male and female names, gender, and TV characters with names starting with the letter “O.”

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How to Name Your Cat

Sometimes, the best way to name your cat is to give it time. Time will allow you to observe your cat’s personality, and that’s typically an excellent strategy for finding the perfect name. However, your kitty needs a name, so you can’t wait too long.

People often find inspiration from their favorite TV shows, cartoon characters, favorite actors, or musicians, to name a few, but in this post, if you love the letter “O,” you’re in luck! Let’s get to it!

Celebrity Male Names

Most people have a favorite celebrity or musician, so why not name your new feline after your favorite? Take a look at celebrity male names to see if any fit your new male kitty.

  • J.
  • Odell Beckham, Jr.
  • Oliver Stone
  • Omar Epps
  • Orlando Bloom
  • Orson Wells
  • Oscar De La Hoya
  • Otis Redding
  • Owen Wilson
  • Ozzy Osbourne
cat sitting on owners lap
Image Credit: Pixel-Shot, Shutterstock

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Celebrity Female Names

We can’t list male celebrity names without female celebrity names! Here are 10 that may work for your feline princess.

  • Octavia Spencer
  • Odette Annable
  • Oksana Grigorieva
  • Ola Ray
  • Olga Kurylenko
  • Olivia Newton-John
  • Olivia Wilde
  • Olympia Dukakis
  • Oona Chaplin
  • Oprah Winfrey
persian cat lying on couch
Image Credit: Another77, Shutterstock

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TV Characters with Names Starting with “O”

  • Oaken (Frozen)
  • Obelix (Asterix & Obelix: Mission Cleopatra)
  • Obi Wan Kenobi (Star Wars)
  • Ocean (Moana)
  • Octodad
  • Odie (Garfield)
  • Officer Barbrady (South Park)
  • Officer Higgins (Zootopia)
  • Ol’Jammer (Planes 2: Fire & Rescue)
  • Olaf (Frozen/II)
  • Old Timer (Toy Story)
  • Olive Oyl (Popeye)
  • Oliver Twist
  • Ollie (Home on the Range)
  • Onus (Treasure Planet)
  • Onyx Adams (Batman)
  • Oogie Boogie (The Nightmare Before Christmas)
  • Oogway (Kung Fu Panda)
  • Oompa Loompas (Charlie and the Chocolate Factory
  • Optimus Prime (Transformers)
  • Oracle (Aladdin)
  • Ori (Ori and the Blind Forest)
  • Orville (The Rescuers)
  • Oscar Hernandez (The Office)
  • Osha (Game of Thrones)
  • Osmosis Jones
  • Otis (Lady and the Tramp)
  • Otters (Finding Dory)
  • Otto (Robin Hood)
  • Owl (Sleeping Beauty)
Maine coon cat inside teepee tent
Image Credit: kimberrywood, Shutterstock

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Male Names Starting with the Letter “O”

Maybe TV characters are not your thing; that’s okay because we have plenty of regular male names to list too. Let’s look through to see if one sticks out for your male kitty cat.

  • Oats
  • Oberon
  • Octavius
  • Ogden
  • Oleo
  • Olly
  • Omar
  • Omari
  • Oni
  • Ontario
  • Opie
  • Orbit
  • Oreo
  • Orin
  • Orlando
  • Ormond
  • Orson
  • Orwell
  • Osama
  • Oswald
  • Oswell
  • Othello
  • Ottie
  • Otto
  • Oxford
blue ragdoll outdoors
Image Credit: Agata Światowska, Pixabay

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Female Names Starting with the Letter “O”

  • Oakley
  • Oaklynn
  • Oasis
  • Obella
  • October
  • Oda
  • Oddball
  • Odea
  • Odessa
  • Odette
  • Ogre
  • Ohana
  • Okie
  • Oksana
  • Olantha
  • Olga
  • Olinda
  • Olita
  • Olive
  • Olivia
  • Omega
  • Onika
  • Ontiveros
  • Onyxia
  • Oona
  • Opal
  • Ophelia
  • Orane
  • Orange
  • Orange Juice
  • Orca
  • Orchid
  • Ordella
  • Oregano
  • Oreo (male or female)
  • Oriana
  • Orion
  • Ortiz
  • Osmunda
  • Ostara
  • Ove
  • Ove
  • Owl
  • Ox
  • Ozma
portrait of applehead siamese cat
Image Credit: Witsawat.S, Shutterstock

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Conclusion

Finding the perfect cat name can be overwhelming, but it doesn’t have to be. We hope our list of cat names starting with the letter “O” helps you in finding the perfect name for your new furry bundle of joy, and we hope you have fun rummaging through all the names.

Good luck naming your new kitty, and we wish you many years of happiness together.


Featured Image Credit: Linn Currie, Shutterstock

About the Author

Rachel Giordano
Rachel Giordano
Rachel Giordano is a Pensacola, Florida-based musician and writer. She lives with her partner and their two dogs, Sophie, a Boston Terrier, and Aero, a Border Collie/Sheltie mix. Rachel holds a Bachelor of Arts degree in communication and loves writing about all types of cat breeds. When she’s not writing about cats, she loves to write suspense/thriller novels. A musician by night and writer by day, she enjoys sharing her knowledge of the needs and requirements of our furry friends.

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