| Name | Meaning | Gender | Origin |
|---|
| Odessa | odyssey, journey, voyage | Female | Russian |
| Ogies | Afrikaans for Little eyes | Unisex | |
| Oksana | glory be to God | Female | Russian |
| Omayda | Beautiful and sweet
| Female | |
| Osana | Health
| Female | |
| Paisley | church, cemetery | Female | Scottish |
| Pandora | talented one | Female | Greek |
| Pearl | Precious jewel. A hard, rounded gem, usually white in colour | Female | Latin |
| Peewee | | Unisex | |
| Pele | Hawaiian volcano goddess. | Female | Hawaiian |
| Penelope | Dream weaver
| Female | Greek |
| Petipoint | | Unisex | Hebrew |
| Phantom | Something elusive. A ghost | Unisex | |
| Pharoah | | Unisex | Hebrew |
| Pinky | For Pinky Lee, the painting, and the color of her nose | Unisex | |
| Pippa | lover of horses | Female | English |
| Pollina | | Female | |
| Pom Pom | | Unisex | |
| Poppins | | Unisex | Hebrew |
| Precious | One who is beloved, a darling. | Female | Latin |
| Primrose | first rose | Female | English |
| Princess | Female member of a royal family | Female | Word |
| Prophecy | | Unisex | |
| Prunella | small plum | Female | Latin |
| Q-Tip | | Unisex | Hebrew |