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110 Dog Names Starting With O for Your Obedient Pup

Written by: Nicole Cosgrove

Last Updated on April 5, 2024 by Dogster Team

close up portrait of a chinese crested dog outdoors

110 Dog Names Starting With O for Your Obedient Pup

Bringing a new dog home is an exciting experience. One of the first joys is choosing a name that perfectly suits your new best friend. If you’re intrigued by names starting with the letter O, we’ve got a diverse list for you, divided into categories and described to help you make the perfect choice.


How to Name Your Dog

One of the easiest ways to name your dog is to have it already narrowed down to a certain type of name. You’ve chosen the letter O, so now what? How do you choose? We’ve broken our “O” names down into several categories to help make your decision easier.

If you still can’t decide, take time to observe your dog’s personality to see what name seems like the best fit. You can also try selecting a few of your favorites and drawing one out of a hat. Or take it to social media and have your friends and family vote.

shar pei labrador mixed breed dog
Image Credit: Robwhiteimages, Shutterstock


Pop Culture “O” Names

  • Olaf:After the lovable snowman from Disney’s “Frozen,” this name suits a cheerful and friendly dog.
  • Oscar:From Oscar the Grouch to the prestigious Academy Awards, this name is versatile and popular.
  • Oprah:Inspired by the influential media mogul Oprah Winfrey, perfect for a strong, inspiring female dog.
  • Oreo:This popular cookie’s name is perfect for a black and white dog.
  • Obi:As in Obi-Wan Kenobi from Star Wars, this name is great for a wise and brave dog.
  • Optimus:From Transformers, this name suits a dog with a heroic and strong personality.
  • Ozzy:Named after rock legend Ozzy Osbourne, this name would be a cool choice for a dog with a rockstar personality.
  • Oswald:A classic name that brings to mind the octopus character from the popular children’s show.
  • Olive Oyl:Perfect for a thin, tall dog, just like the character from the Popeye cartoon.

Mythology-Inspired “O” Names

  • Odin:The Norse god of wisdom and magic, this name fits a strong, intelligent dog.
  • Orion:The mighty hunter from Greek mythology, fitting for an adventurous, outdoorsy dog.
  • Olympia:Named after the home of the ancient Olympic Games, this name would suit a sporty, active dog.
  • Osiris:An Egyptian god, this could be a unique name for a dog with a strong, commanding presence.
  • Onyx:A gemstone often found in mythology, this could be a unique name for a black-coated or strong dog.
  • Ophelia:A tragic figure from Greek mythology, this is a beautiful name for a loyal, loving dog.
  • Oisin:A figure from Irish mythology, this name is perfect for a small, brave dog.
  • Orpheus:From Greek mythology, suits a charming and musical dog.
west highland terrier dog lying on the carpet
Image Credit: Bogdanovich_Alexander, Shutterstock

Food-Inspired “O” Names

  • Olive:Just like the tasty fruit, this name is perfect for a small, sweet dog.
  • Oreo:Named after the popular cookie, this name could be fitting for a black and white dog.
  • Okra:An unusual but fun name, inspired by the healthy green vegetable.
  • Oatmeal:This might be a cute name for a light-colored or soft-coated dog.
  • Onion:A quirky choice for a dog with many layers to their personality!
  • Orange:Ideal for a dog with a bright, sunny disposition or orange coat.
  • Oregano:Perfect for a dog who adds spice to your life, just like the herb.
  • Oats:A wholesome, down-to-earth name for a loyal companion.
  • Orzo:Named after the rice-shaped pasta, this could be a unique name for a small dog.

“O” Names from Different Languages

  • Oso:Meaning ‘bear’ in Spanish, this name could fit a big, cuddly dog.
  • Omul:This word means ‘man’ in Romanian, a fitting name for a dog who’s your best friend.
  • Ombre:Meaning ‘shadow’ in French, this could be a unique name for a loyal dog who’s always by your side.
  • Onur:This Turkish name meaning ‘honor’ would be a distinguished choice for a noble, respectable dog.
  • Ogenki:A Japanese phrase used to ask ‘how are you?’, making it a fun, conversational name for a sociable dog.
  • Om:A sacred syllable in Hinduism, this name could be perfect for a peaceful, serene dog.
  • Ola:Meaning ‘wave’ in Spanish, this could be a perfect name for an energetic, lively dog.
  • Oma:Meaning ‘grandmother’ in German, a sweet name for a comforting, loving dog.
american bulldog standing on grass
Image Credit: MVolodymyr, Shutterstock

“O” Names That Are Unique

  • Opal:Named after the precious gemstone, this name would suit a dog with a sparkling personality.
  • Orbit:This space-inspired name could be fitting for a dog with boundless energy that loves to run in circles.
  • Octavia:A regal name for a dignified and noble dog.
  • Oink:A fun and quirky name, perfect for a dog with a playful, mischievous character.
  • Ozzy:Inspired by rock legend Ozzy Osbourne, this name would be a cool choice for a dog with a rockstar personality.
  • Ozone:For an energetic, lively dog, just like the atmospheric layer that protects our planet.
  • Oggy:A playful, fun name that’s perfect for a small, energetic dog.
  • Ocelot:Named after the wild cat, this could be a unique name for a sleek, agile dog.
  • Odyssey:Perfect for a dog who loves long journeys or has had a long journey to your home.

“O” Names from Literature

  • Oberon:A character from Shakespeare’s “A Midsummer Night’s Dream,” perfect for a regal and commanding dog.
  • Othello:A character from Shakespeare’s tragic play, ideal for a strong and passionate dog.
  • Octavia:A character from Shakespeare’s “Antony and Cleopatra,” perfect for a noble and loyal female dog.
  • Orsino:From Shakespeare’s “Twelfth Night,” suits a romantic and persistent dog.
  • Orwell:Named after George Orwell, the famous writer, ideal for an insightful and wise dog.
  • Opal:From the novel “Because of Winn-Dixie,” perfect for a friendly and empathetic dog.
  • Oscar:Inspired by Oscar Wilde, the famous writer, suits a witty and creative dog.
  • Odile:A character from the ballet “Swan Lake,” ideal for a graceful and elegant dog.
  • Ovid:Named after the Roman poet, perfect for a poetic and expressive dog.
  • Osric:A character from Shakespeare’s “Hamlet,” suits a loyal and faithful dog.
  • Ozma:A character from “The Wizard of Oz” series, perfect for a kind and benevolent dog.
  • Opium:Inspired by the novel “The Opium War,” ideal for a resilient and determined dog.
Norwegian lundehund dog outdoors
Image Credit: Makabas, Shutterstock

“O” Names from Sports

  • Osgood:After Chris Osgood, the ice hockey player, perfect for an agile and competitive dog.
  • Oguchi:Named after Oguchi Onyewu, the soccer player, suits a strong and athletic dog.
  • Ovi:Short for Alexander Ovechkin, the ice hockey player, ideal for a powerful and energetic dog.
  • Ocho:Inspired by Chad “Ochocinco” Johnson, the football player, perfect for a fast and agile dog.
  • Oakley:Named after Charles Oakley, the basketball player, suits a strong and protective dog.
  • Odell:After Odell Beckham Jr., the football player, ideal for a fast and skillful dog.
  • Olajuwon:Named after Hakeem Olajuwon, the basketball player, perfect for a tall and powerful dog.
  • Overeem:After Alistair Overeem, the mixed martial artist, suits a strong and fearless dog.
  • Olerud:Named after John Olerud, the baseball player, ideal for a calm and focused dog.
  • Okoye:After Christian Okoye, the football player, perfect for a powerful and fast dog.
  • Orton:Named after Randy Orton, the professional wrestler, suits a strong and charismatic dog.
  • Oates:After Adam Oates, the ice hockey player, ideal for an intelligent and strategic dog.
  • Ostapenko:After Jelena Ostapenko, the tennis player, perfect for a quick and agile dog.
  • Ogilvy:Named after Geoff Ogilvy, the golfer, suits a calm and focused dog.
  • O’Neal:Named after Shaquille O’Neal, the basketball player, ideal for a tall and strong dog.

“O” Names from Geography

  • Osaka:The city in Japan, perfect for an energetic and friendly dog.
  • Oxfordshire:A county in England, suits a dignified and intelligent dog.
  • Okavango:After the Okavango Delta in Botswana, ideal for a nature-loving dog.
  • Olympia:A city in Washington, U.S., perfect for a noble and athletic dog.
  • Orkney:An archipelago in Scotland, suits a brave and adventurous dog.
  • Otago:A region in New Zealand, ideal for a peaceful and outdoorsy dog.
  • Odessa:A city in Ukraine, perfect for a vibrant and lively dog.
  • Oaxaca:A city in Mexico, suits a colorful and spirited dog.
  • Oslofjord:A fjord in Norway, ideal for a nature-loving and peaceful dog.
  • Ouagadougou:The capital of Burkina Faso, perfect for a unique and lively dog.
  • Ontario:A province in Canada, suits a robust and friendly dog.
  • Ozark:A region in the U.S., ideal for a rugged and adventurous dog.
  • Oranjestad:The capital of Aruba, perfect for a cheerful dog.
  • Oahu:An island in Hawaii, suits a playful and energetic dog.
  • Oban:A town in Scotland, ideal for a peaceful and friendly dog.
chihuahua dog in a tuxedo at a wedding
Image Credit: Studio Peace, Shutterstock

“O” Names from Music

  • Oboe:A musical instrument, perfect for a harmonious and expressive dog.
  • Otello:After Verdi’s opera, suits a passionate and dramatic dog.
  • Oratorio:A type of concert music, perfect for a vocal and expressive dog.
  • Opus:A musical term, suits a creative and harmonious dog.
  • Overture:A musical term, ideal for a grand and impressive dog.
  • Oasis:A popular rock band, perfect for a cool and laid-back dog.
  • Offenbach:After Jacques Offenbach, the composer, suits an elegant and sophisticated dog.
  • Orchestra:A large instrumental ensemble, ideal for a harmonious and cooperative dog.
  • Octave:A musical term, perfect for a balanced and harmonious dog.
  • Orff:Named after Carl Orff, the composer, suits a creative and expressive dog.
  • Osmond:After The Osmonds, the music group, ideal for a friendly and lively dog.
  • Outkast:A popular hip-hop duo, perfect for a unique and independent dog.
  • Olly:After Olly Murs, the singer, suits a fun and charming dog.
  • Orbison:Named after Roy Orbison, the singer, ideal for a soulful and melodious dog.

“O” Names from Science

  • Omega:The last letter in the Greek alphabet, perfect for a unique and special dog.
  • Osmium:A chemical element, suits a strong and durable dog.
  • Octopus:A marine creature, ideal for a flexible and intelligent dog.
  • Oxygen:A chemical element, suits an energetic dog.
  • Obsidian:A type of volcanic glass, ideal for a strong and shiny dog.
  • Octane:A chemical compound, perfect for an energetic and fast dog.
  • Ocelot:A wild cat species, suits a sleek and agile dog.
  • Ozone:A layer in Earth’s atmosphere, perfect for a protective and important dog.
  • Octahedron:A geometric shape, suits a balanced and symmetrical dog.
  • Owl:A nocturnal bird species, ideal for a wise and observant dog.
  • Omega-3:A type of fatty acid, suits a healthy and beneficial dog.
  • Opabinia:An extinct marine animal, ideal for a unique and interesting dog.



From nature-inspired names to unique, out-of-the-box choices, there is a vast selection of “O” names that could perfectly suit your new canine companion. Remember, the best name for your dog is one that truly captures their unique spirit. Enjoy this special naming journey!

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Featured Image Credit: Anastasiia Cherniavskaia, Shutterstock

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