| Name | Meaning | Gender | Origin |
|---|
| Peter | A rock. Peter the biblical fisherman and apostle had impulsive nature and rocklike faith. In Catholic tradition he is the first pope.
| Male | Greek |
| Petunia | trumpet-shaped flower | Female | English |
| Philippe | Friend Of Horses | Male | French |
| Phobos | The personification of fear in Greek mythology | Unisex | Greek |
| Phoebe | bright one | Female | Greek |
| Phoebe | bright one | Female | Greek |
| Picasso | | Male | |
| Pickles | Food flavored in a solution of vinegar | Unisex | |
| Piglet | | Unisex | |
| Pineapple | | Unisex | |
| Ping | | Unisex | |
| Pinocchio | | Male | Hebrew |
| Pistachio | | Unisex | |
| Pitty Pat | | Unisex | |
| Pixie | A fairy like creature. Playful and mischievous | Female | |
| Pixie | A fairy like creature. Playful and mischievous | Female | Swedish |
| Pizza | A baked shallow crust covered with tomato sauce, cheese and other toppings. | Unisex | |
| Plum | | Female | |
| Pluto | The ninth and most distant planet from the sun | Male | |
| Pollux | crown | Male | Greek |
| Pop | | Unisex | Hebrew |
| Poppy | Flower with four crumpled petals in red, orange or white colours | Female | Latin |
| Poppy | Flower with four crumpled petals in red, orange or white colours | Female | Latin |
| Porkchop | | Unisex | Hebrew |
| Poseidon | | Male | |