| Name | Meaning | Gender | Origin |
|---|
| Pebbles | after the character in 'The Flintstones' cartoons | Male | |
| Pepe Le Pew | | Unisex | |
| Pete | A rock. Form of Peter.
| Male | English |
| 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 |
| Petronius | | Unisex | Hebrew |
| Pickles | Food flavored in a solution of vinegar | Unisex | |
| Pilchard | French for sardine | Unisex | |
| Pixel | | Male | |
| Pluto | The ninth and most distant planet from the sun | Male | |
| Poindexter | | Unisex | |
| Pongo | One who smells. | Unisex | |
| Pooh | | Unisex | |
| Popeye | | Male | |
| Pucca | | Unisex | |
| Pumba | | Unisex | |
| Pussycat | | Male | |
| Pussyfoot | | Unisex | Hebrew |
| Rajah | A prince, king or ruler in India | Male | Hindi |
| Ralph | Red wolf
| Male | English |
| Ralph | Red wolf
| Male | English |
| Ruff | Fun spelling of rough; irregular surface or boisterous. | Unisex | |
| Rum | Alcohol distilled from sugar. | Unisex | |
| Rumpelteazer | | Unisex | |
| Rumpus | | Unisex | |
| Sagwa | | Unisex | Hebrew |