Cat names · by letter
Cat names that start with O
Cats in our data carry 175 different O-names — 2.4% of all licensed cats, making O the #17 first letter overall.
Rising O-names
Biggest rank climbs, 2014 → 2019.
Top girl cat names with O
Top boy cat names with O
Top 50 O cat names overall
| Name | Gender | Trend | ||
|---|---|---|---|---|
| 1 | Oliver | Boy | ||
| 2 | Oscar | Boy | ||
| 3 | Oreo | Either | ||
| 4 | Ollie | Boy | ||
| 5 | Olive | Girl | ||
| 6 | Olivia | Girl | ||
| 7 | Onyx | Either | ||
| 8 | Otis | Boy | ||
| 9 | Opal | Girl | ||
| 10 | Ozzie | Boy | ||
| 11 | Ozzy | Boy | ||
| 12 | Ophelia | Girl | ||
| 13 | Owen | Boy | ||
| 14 | Orion | Boy | ||
| 15 | Obi | Boy | ||
| 16 | Olaf | Boy | ||
| 17 | Omar | Boy | ||
| 18 | Orange | Either | ||
| 19 | Odie | Boy | ||
| 20 | Odin | Boy | ||
| 21 | Otto | Boy | ||
| 22 | Orca | Either | — | |
| 23 | Orville | Boy | ||
| 24 | Oakley | Boy | ||
| 25 | Obie | — | ||
| 26 | Octavia | Girl | ||
| 27 | Omega | — | ||
| 28 | Onigiri | — | — | |
| 29 | Opie | Boy | ||
| 30 | Orzo | Boy | — | |
| 31 | Oskar | — | ||
| 32 | O'Malley | Boy | ||
| 33 | Obsidian | Either | — | |
| 34 | Onion | Either | — | |
| 35 | Ori | — | — | |
| 36 | Oswald | Boy | ||
| 37 | O'Reilly | — | ||
| 38 | Oatmeal | Either | — | |
| 39 | Oberon | — | ||
| 40 | Ocean | Either | — | |
| 41 | Odette | Girl | — | |
| 42 | Odo | — | — | |
| 43 | Oleander | — | — | |
| 44 | Olly | — | ||
| 45 | Olympia | — | ||
| 46 | Onslow | — | ||
| 47 | Oolong | — | — | |
| 48 | Oona | — | — | |
| 49 | Opus | — | — | |
| 50 | Oregano | — |
Want the full list? Browse every O cat name in the data →