120 Cat Names that Start with “O”

Finding the perfect name for your cat is an important task, especially when seeking something distinctive. The letter “O” offers a range of unique options for your feline friend, from classic choices like Oscar to more creative ones like Orzo.

These “O” names can match various cat personalities, whether your cat is energetic and playful or calm and sophisticated.

DogFix.com has compiled popular and adorable O-starting names to inspire cat owners during their naming journey.

Top 20 Male Cat Names Starting with “O”

Looking for a great name for your male cat that starts with “O”? These popular choices might help you decide.

The list below shows the most common male cat names based on national data.

• Oliver – A classic choice that many cat owners love
• Oscar – Simple yet distinguished
• Ollie – A cute, playful option
• Oreo – Perfect for black and white cats
• Otis – A strong, traditional name
• Ozzy – Rock-inspired and unique
• Onyx – Great for black cats
• Odin – A powerful mythological name
• Otto – Short and sweet
• Orion – Named after the constellation

Other excellent options include Ozzie, Opie, Olaf, Obi, Oakley, Owen, Odie, O’Malley, Oskar, and Oslo.

Cute “O” Names for Male Cats

Finding the perfect name for your affectionate male cat can be fun, especially when looking at names that start with “O.” These names work well for loving and playful cats who have special places in your heart.

Sweet and Simple Options:

• Oatmeal
• Oak
• Oats
• October
• Ottie

Fun and Creative Choices:

• Onion
• Orbit
• Opus
• Oleo
• Orzo

Unique “O” Names:

• Oz
• Oolong
• Obi-Wan
• Ondre
• Ouija
• Okeli
• Oni
• Ozark
• Ontario

These names range from food-inspired to location-based options that can match your cat’s personality and appearance.

Epic Names that Start with “O” for Male Cats

Looking for a powerful name for your male cat? Names that start with “O” can make a bold statement. These memorable options draw from mythology, literature, and history to give your cat a name with character.

• Osiris – Egyptian god of the afterlife
• Odysseus – Greek hero known for his journey
• Oberon – King of the fairies in Shakespeare’s works
• Othello – Famous Shakespearean character
• Obsidian – A dark volcanic glass

Other impressive options include Orson, Orlando, and Olliver.

For something more unique, consider Ozymandias, Octavius, or Oxford.

Names like Orin, Omari, and Oisin offer shorter alternatives with strong sounds.

Ancient-inspired choices such as Oswell, Orwell, and Obediah can give your cat a distinguished feeling.

Top 20 Female Cat Names Starting with “O”

Looking for a special name for your female cat that starts with “O”? Here are the top 20 choices from DogFix’s national database.

1. Olive – A popular nature-inspired choice
2. Oreo – Perfect for black and white kitties
3. Olivia – A classic, elegant name
4. Opal – Named after the beautiful gemstone
5. Ophelia – A sophisticated literary name
6. Onyx – Ideal for sleek black cats
7. Ollie – A sweet, playful nickname
8. Oliver – Traditionally male but works for females too
9. Octavia – A unique Roman-inspired name
10. Oscar – A strong name gaining popularity for female cats
11. Oakley – A trendy nature name
12. Ozzy – Short and spunky
13. October – Perfect for fall-born kittens
14. Oona – A lovely Irish name
15. Ozzie – A cute alternative spelling
16. Orca – Inspired by the majestic sea creature
17. Orchid – A beautiful flower name
18. Opie – Short and sweet
19. Owl – A wise choice for your feline
20. Orange – Perfect for ginger cats

Adorable Names that Start with “O” for Female Cats

Looking for a cute name for your female cat? Names starting with “O” offer many sweet options that match your feline’s personality. If your cat loves to vocalize, Oriole might be perfect. Or choose Ohana for a kitty who enjoys family time.

Here’s a list of charming “O” names for your female cat:

• Opal – a precious gem name
• Ohana – means “family” in Hawaiian
• Oasis – a peaceful spot
• Orchid – elegant flower name
• Orca – powerful ocean creature
• Oriole – beautiful songbird
• Onika – unique and melodic
• Oprah – strong and influential
• Osaka – Japanese city name
• Ozma – magical and whimsical

Other lovely options include Olita, Ochre, Olivet, Ombra, Owena, and Oralie. Each name has its own charm to match your cat’s special personality.

Epic Names that Start with “O” for Female Cats

Female cats deserve names that match their majestic nature. Many cultures throughout history have recognized the royal qualities cats possess. If your female cat has that special regal attitude, an O-name might be perfect for her.

Here’s a list of powerful O-names for your queen:

• Odette – From the famous ballet character
• Olympia – Named after the home of Greek gods
• Odessa – A beautiful coastal city name
• Olga – A name with strong historical roots
• Onyxia – Sounds like the gemstone onyx
• Olivine – A lovely green mineral name
• Olena – Elegant and uncommon
• Okalani – Hawaiian-inspired beauty

More unique options include Obera, Olinda, and Oriana.

For a more mystical feel, consider Odelia, Orphia, or Oaklynn.

Plant lovers might enjoy Oleander or Osmunda. Literary fans could choose Odysseia or Offred.

Omaira and Orella round out these distinctive choices.

Find a Great Name for Your Cat on DogFix

Can’t find the perfect name yet? Don’t worry. DogFix offers many more naming resources to help you choose the ideal name for your feline friend.

Check out these helpful articles for additional cat name inspiration:

• 300+ Cat Names Starting with “E”
• 170 Cat Names Starting with “G”
• 133 Cat Names Starting with “D”
• 150+ Best Disney Cat Names
• 400+ Anime Cat Names from Pokemon to Sailor Moon

These collections provide plenty of options for every cat owner.

Browse through them to discover the name that feels just right for your cat’s unique personality.