| Name | Meaning | Gender | Origin |
|---|
| Oscar | God's spear.
| Male | English |
| Otis | Wealthy.
| Male | |
| Pax | peaceful | Male | Latin |
| Pebbles | after the character in 'The Flintstones' cartoons | Male | |
| Pepe | Spanish variation of Joseph | Male | Spanish |
| Pepper | A spice or condiment. | Male | Sanskrit |
| Peppy | | Male | |
| Percy | | Male | |
| Perry | French form of Peter
| Male | English |
| Phoenix | Mystical Bird, Purple
| Male | Greek |
| Phoenix | Mystical Bird, Purple
| Male | Greek |
| Pluto | The ninth and most distant planet from the sun | Male | |
| Poe | peacock | Male | |
| Prince | Principal one: first. The rock musician Prince.
| Male | Latin |
| Prue | Prudent, Cautious | Unisex | English |
| Quincy | Fifth: derived from Roman clan name.
| Male | |
| Radar | | Male | |
| Rain | | Male | |
| Raleigh | dweller by the deer meadow | Male | English |
| 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 |
| River | | Male | |
| Rocky | rest | Male | English |