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 |
|---|---|---|---|
| O-Ren Ishii | Unisex | ||
| O.B. | Unisex | ||
| O.B. (Orange Boy | Unisex | ||
| O.C. | Unisex | ||
| O.F.C. | Unisex | ||
| O.J. | Male | ||
| O.J. Simpson | Unisex | ||
| O.N.N.A.O. | Unisex | ||
| O.T.M. | Unisex | ||
| O'Malley | Male | ||
| Oaf | Unisex | ||
| Oakes | Male | ||
| Oakichobi | Unisex | ||
| Oakii | Unisex | ||
| Oakley | Male | ||
| Oasis | Male | ||
| Oatcake | Unisex | ||
| Oatmeal | Male | ||
| Oats | Unisex | ||
| Obediah | Unisex | ||
| Obelix | Male | ||
| Oberon | Male | ||
| Oberon-Smiley | Unisex | ||
| Obi | Male | ||
| Obi Wan Kenobi | Unisex | ||
| Obie | Unisex | ||
| Obijuan | Unisex | ||
| Obleana | Unisex | ||
| Obo | Unisex | ||
| Oboe | Unisex | ||
| Obrien | Male | ||
| Obsidian | Unisex | ||
| Obsididan | Unisex | ||
| Obstinate | Unisex | ||
| Ocabar | Unisex | ||
| Occi | Unisex | ||
| Occupant | Unisex | ||
| Ocean | Male | ||
| Ocelot | Unisex | ||
| Ocho Cinco | Unisex | ||
| Oci Osborne | Unisex | ||
| Ocitar | Unisex | ||
| Octavia | Female | ||
| Octavius | Male | ||
| Octo | Unisex | ||
| October | Female | ||
| Octopussy | Unisex | ||
| Odan | Unisex | ||
| Odd | Unisex | ||
| Oddball | Unisex |
Page 1 of 8.