| Name | Meaning | Gender | Origin |
|---|
| Phoenix | Mystical Bird, Purple
| Male | Greek |
| Piper | Piper
| Female | English |
| Pluto | The ninth and most distant planet from the sun | Male | |
| Poe | peacock | Male | |
| Polly | Bitter
| Female | English |
| Polly | Bitter
| Female | English |
| 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 |
| Posey | a bunch of flowers | Female | English |
| Precious | One who is beloved, a darling. | Female | Latin |
| Prince | Principal one: first. The rock musician Prince.
| Male | Latin |
| Princess | Female member of a royal family | Female | Word |
| Priscilla | Of ancient lineage | Female | Latin |
| Prue | Prudent, Cautious | Unisex | English |
| Quincy | Fifth: derived from Roman clan name.
| Male | |
| Rachel | from the TV sitcom Friends | Female | Hebrew |
| Radar | | Male | |
| Rain | | Male | |
| Raleigh | dweller by the deer meadow | Male | English |
| Ramona | Wise defender
| Female | Spanish |
| Randall | Variants of Randolph Wolf's shield. Surname.
| Male | English |
| Rascal | One that is playfully mischievous | Male | |
| Ravi | benevolent, sun God | Male | Hindi |
| Ray | kingly | Male | English |
| Reba | From Rebecca - The captivator | Female | Hebrew |