cat names starting with O
List of cat names starting with the letter O.
Whether you want an original, classic or multilingual name, browse our selection below. Use A–Z navigation to explore other letters.
155 names
- Oakley
- Oatmeal
- Odie
- Odette
- Odin
- Olaf
- Olive
- Oliver
- Olivia
- Ollie
- Onyx
- Opal
- Oreo
- Orion
- Orla
- Oscar
- Otis
- Otto
- Owen
- Ozzy
- Oberon
- Oona
- Oak
- Oasis
- Obie
- Ocean
- Octavia
- OdieBear
- Odysseus
- Ollivander
- Omega
- Onslow
- Opie
- Orange
- Orchid
- Orson
- Oslo
- Othello
- Otter
- Ottis
- Outlaw
- Ovie
- Owl
- Ozzie
- OzzieBear
- Oaky
- Oatcake
- Obsidian
- Odessa
- Olafson
- Olwen
- Omni
- Orville
- Oswald
- Overton
- Océane
- Olivier
- Olympe
- Ombre
- Ondine
- Opaline
- Orphée
- Octave
- Olga
- Ombeline
- Opale
- Ophélie
- Orage
- Oréo
- Oriane
- Oseille
- Ostine
- Ourson
- Oursin
- Oxygène
- Ozana
- Obélix
- Odilon
- Oiselle
- Onésime
- Opium
- Orchidée
- Origan
- Ortie
- Ours
- Ouzbek
- Oxy
- Ocarina
- Oceano
- Olivette
- Octavio
- Odín
- Omar
- Onix
- Orlando
- Oso
- Obelisco
- Obi
- Oca
- Océano
- Ocho
- Oli
- Olivo
- Ollita
- Opalo
- Orégano
- Orgullo
- Orión
- Oro
- Osito
- Otoño
- Oveja
- Obiwan
- Oberón
- Ocaña
- Ofelia
- Ojitos
- Okapi
- Olalla
- Olmo
- Omarcito
- Ondina
- Onofre
- Opera
- Orca
- Orfeo
- Orquídea
- Ortiga
- Otilia
- Ovejero
- Oxana
- Oxlade
- Oyana
- Ozono
- Oído
- Ónix
- Ópalo
- Órbita
- Óscar
- Óxido
- Óvalo
- Óptimo
- Órion
- Oberkampf
- Obsidienne
- Ocelot
- Ocre
- Oihana
- Oléander
- Olympia
- Ombrage
- Orionne
- Ochre
- Orbit
- Ori
Frequently asked questions
- How to choose a cat name starting with O?
- Pick a short name (1–2 syllables) that's easy to call daily. This list includes 155 ideas in French, English and Spanish.
- How many names start with O for a cat?
- Our database contains 155 cat names starting with the letter O, regularly updated.
- Is a mandatory letter required for a cat?
- For pedigree cats (LOOF), the name must start with the birth year letter. See our lists by year.