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 |
|---|---|---|---|
| Ol Buddy | Unisex | ||
| Ol Sport | Unisex | ||
| Ol Yeller | Unisex | ||
| Olaf | Male | ||
| Old D | Unisex | ||
| Old Deuteronomy | Unisex | ||
| Old Grandad | Unisex | ||
| Old School | Unisex | ||
| Old Sweetie | Unisex | ||
| Old Yeller | Unisex | ||
| Olde Scratch | Unisex | ||
| Oldman Sea Seashell | Unisex | ||
| Oleander | Unisex | ||
| Oleary | Unisex | ||
| Oleg | Male | ||
| Oleo | Unisex | ||
| Olga | Female | ||
| Olhausen | Unisex | ||
| Olia | Unisex | ||
| Olimpia | Unisex | ||
| Olinne | Unisex | ||
| Olivarez | Unisex | ||
| Olive | The olive tree or its fruit | Female | English and French word name |
| Olive Oyl | Unisex | ||
| Oliver | Male | Old French form; earlier derivation disputed | |
| Oliver , Wood | Unisex | ||
| Oliver Sebastian | Unisex | ||
| Oliver Stone | Unisex | ||
| Oliver Tiwst | Unisex | ||
| Oliver Twister | Unisex | ||
| Olivette | Unisex | ||
| Olivia | Female | Literary name; earlier derivation uncertain | |
| Olivia Pawdancer | Unisex | ||
| Olivier | Male | ||
| Olivier Serpentine | Unisex | ||
| Olja | Unisex | ||
| Olla | Unisex | ||
| Ollendorff | Unisex | ||
| Olli | Unisex | ||
| Ollie | A familiar form of Oliver, Olivia or Olive | Male | English |
| Ollie North | Unisex | ||
| Ollie South | Unisex | ||
| Olliecat | Unisex | ||
| Ollivander | Unisex | ||
| Olliver | Unisex | ||
| Olliverbolliverbutt | Unisex | ||
| Olly | Unisex | ||
| Olly Purrs | Unisex | ||
| Oloff | Unisex | ||
| Olsen. | Male |
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