| Name | Meaning | Gender | Origin |
|---|
| Pete | A rock. Form of Peter.
| Male | English |
| Pippin | Name of a king
| Male | |
| Pooh | | Unisex | |
| Popcorn | Corn that when heated forms white edible puffs. | Unisex | |
| Pouncival | | Unisex | Hebrew |
| Prince Harry | | Unisex | |
| Puddin | | Unisex | |
| Puddin | | Unisex | |
| Puddin | | Unisex | |
| Pudding | | Unisex | |
| Puff | Expelling breath, a gust of wind or a small amount of smoke. | Male | |
| Puff | Expelling breath, a gust of wind or a small amount of smoke. | Male | |
| Pumpkin | Large round fruit with orange skin | Male | |
| Quentin | Fifth.
| Male | Latin |
| Quiche | | Unisex | Hebrew |
| Quincy | Fifth: derived from Roman clan name.
| Male | |
| Rascal | One that is playfully mischievous | Male | |
| Rawhide | | Unisex | Hebrew |
| Ray | kingly | Male | English |
| Red | A primary colour resembling the colour of blood | Male | Color |
| Rojo | Red. Rojo for males and Raja for females. | Male | Spanish |
| Rory | aka Rors | Male | Irish |
| Rudy | From Rudolph - Famous wolf | Male | |
| Rufus | Red haired | Male | Latin |
| Rum | Alcohol distilled from sugar. | Unisex | |