| Name | Meaning | Gender | Origin |
|---|
| Pitch | Pitch black! | Unisex | |
| Polka | | Male | |
| 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 |
| Poppy Pomfrey | Hogwarts school nurse.
| Female | |
| Prince | Principal one: first. The rock musician Prince.
| Male | Latin |
| Princess | Female member of a royal family | Female | Word |
| Professor Binns | | 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 | |
| Purr-fect | Perfect
| Female | |
| Puss | | Male | |
| Queran | Dark
| Male | |
| Quincy | Fifth: derived from Roman clan name.
| Male | |
| Quinta | Born fifth
| Female | |
| Rafferty | Prosperous.
| Male | Irish |
| Raider | | Male | Hebrew |
| Rainbow | | Female | |
| Ralph | Red wolf
| Male | English |
| Ralph | Red wolf
| Male | English |
| Ramon | Form of Raymond Guards wisely.
| Male | Catalan |
| Raniesha | Princess.
| Female | |
| Rattail | | Male | Hebrew |
| Reba | From Rebecca - The captivator | Female | Hebrew |