Cat Names That Start With O
Every cat name in our database that begins with the letter O — boy names, girl names, and unisex picks. Each entry includes meaning, cultural origin, gender, and breed-friendly notes.
Use the A-Z bar to switch starting letter, or view the full A-Z dictionary. Click any name to see its full profile with related suggestions.
Meanings, origins and pronunciations appear only for records with checked sources. Blank fields have not been verified. Gender and collection labels are browsing choices.
| Name | Meaning | Gender | Origin |
|---|---|---|---|
| Ooh-la-la | Unisex | ||
| Oona | Female | ||
| Ooopy Poopy | Unisex | ||
| Ooowwwrrraahh | Unisex | ||
| Oops | Unisex | ||
| Oopy Goopy | Unisex | ||
| Oosha | Unisex | ||
| Ootzsatootsie | Unisex | ||
| Oozie | Unisex | ||
| Opal | Female | ||
| Opaline | Unisex | ||
| Opchoei | Unisex | ||
| Opey | Unisex | ||
| Ophelia | Female | ||
| Opie | Unisex | ||
| Opium | Unisex | ||
| Oprah | Female | ||
| Oprah Anne | Unisex | ||
| Oprah Whiskers | Unisex | ||
| Optimistic | Unisex | ||
| Optimus | Unisex | ||
| Optimus Prime | Unisex | ||
| Opus | Male | ||
| Orange | Female | ||
| Orange Blossom | Unisex | ||
| Orange Boy | Unisex | ||
| Orange Cat | Unisex | ||
| Orange Crush | Unisex | ||
| Orange Harvey | Unisex | ||
| Orange Juice | Unisex | ||
| Orange Julius | Unisex | ||
| Orange Kitty | Unisex | ||
| Orange Man | Unisex | ||
| Orange Pekoe | Unisex | ||
| Orange Pico | Unisex | ||
| Orange Wishes | Unisex | ||
| Orangeboom | Unisex | ||
| OrangEndymion | Unisex | ||
| Oranges | Unisex | ||
| Oranges\ | Unisex | ||
| Orangie | Unisex | ||
| Orangina | Unisex | ||
| Orangy | Unisex | ||
| Orbit | Male | ||
| Orca | Unisex | ||
| Orchid | Female | ||
| Ord | Unisex | ||
| Ordinary | Unisex | ||
| Ore | Unisex | ||
| Oreao | Unisex |
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