| Name | Meaning | Gender | Origin |
|---|
| Olive | kind one; olive tree, peace. Symbol of peace. A small oval fruit. | Female | English |
| Ondine | little wave | Female | Latin |
| Pabla | Little
| Female | |
| Paisley | church, cemetery | Female | Scottish |
| Parsnip | | Unisex | |
| Particle | | Unisex | |
| Paula | small | Female | Feminine |
| Pauli | Small, Humble | Unisex | Finnish |
| Paulinus | Small, Humble | Unisex | Roman |
| Pavla | Small, Humble | Female | Czechoslovakian |
| Pavlov | | Unisex | Hebrew |
| Peanut | Edible nuts eaten raw or roasted. | Unisex | |
| Pearl | Precious jewel. A hard, rounded gem, usually white in colour | Female | Latin |
| Pebble | | Unisex | |
| Pee Wee | | Unisex | |
| Penny | Greek, weaver | Female | English |
| Percent | | Unisex | |
| Peso | | Unisex | Hebrew |
| Piccolo | | Unisex | |
| Pickle | | Unisex | Hebrew |
| Piece | | Unisex | |
| Piglet | | Unisex | |
| Pinky | For Pinky Lee, the painting, and the color of her nose | Unisex | |
| Pinto | | Unisex | |
| Pippa | lover of horses | Female | English |