| Name | Meaning | Gender | Origin |
|---|
| Panther | A black leopard | Unisex | English |
| Patches | | Unisex | Hebrew |
| Patrick | Patrician | Male | Latin |
| Paws | | Unisex | Hebrew |
| Peace | Peaceful | Male | English |
| Peaches | Red, yellow skinned fleshy fruit | Unisex | English |
| Peanut | Edible nuts eaten raw or roasted. | Unisex | English |
| Pedro | Stone | Male | Greek |
| Pepsi | Brand of cola soft drink. | Unisex | English |
| Percy | Pierce valley | Male | French |
| Perdie | | Unisex | Hebrew |
| Petal | A section of a flower | Unisex | English |
| Pete | Stone | Male | Greek |
| Phantom | Something elusive. A ghost | Unisex | English |
| Phoenix | Phoenix | Male | Greek |
| Picasso | | Unisex | Hebrew |
| Pickles | Food flavored in a solution of vinegar | Unisex | English |
| Pico | | Unisex | Hebrew |
| Pig | | Unisex | Hebrew |
| Piglet | | Unisex | Hebrew |
| Pippin | Foreigner, stranger | Unisex | Latin |
| Pique | | Unisex | Hebrew |
| Pistachio | | Unisex | Hebrew |
| Pixel | | Unisex | Hebrew |
| Pizza | A baked shallow crust covered with tomato sauce, cheese and other toppings. | Unisex | English |
| Pluto | Wealth, riches | Unisex | Greek |
| Poco | Little. | Unisex | English |
| Pogo | | Unisex | Hebrew |
| Pokey | | Unisex | Hebrew |
| Polo | Brave wanderer | Male | English |