| Name | Meaning | Gender | Origin |
|---|
| Palmer | palm bearing pilgrim | Male | English |
| Parker | cultivated land | Male | English |
| Patton | fighter's town | Male | English |
| Paul | small | Male | Latin |
| Penelope | Dream weaver
| Female | Greek |
| Percival | Hero of several Arthurian stories
| Male | |
| Perdita | lost | Female | Latin |
| Persephone | The daughter of Demeter and Zeus who was abducted by Hades but rescued by her mother and thereafter spent six months of the year on earth and six months in the underworld.
| Female | Greek |
| Peyton | From The Fighter's Farm | Female | English |
| Pharaoh | ruler | Male | Latin |
| Picasso | | Male | |
| Pickles | Food flavored in a solution of vinegar | Unisex | |
| Plato | broad-shouldered | Male | Greek |
| Pluto | The ninth and most distant planet from the sun | Male | |
| Pongo | One who smells. | Unisex | |
| Portia | pig, hog or doorway | Female | Latin |
| Prince | Principal one: first. The rock musician Prince.
| Male | Latin |
| Priscilla | Of ancient lineage | Female | Latin |
| Quincy | Fifth: derived from Roman clan name.
| Male | |
| Quixote | | Male | |
| Rags | | Male | |
| Ransom | son of the shield; redeemer | Male | English |
| Reagan | little king | Female | Irish |
| Reese | ardor | Female | Welsh |
| Rex | after the Rex Banner character in The Simpsons cartoons | Male | Latin |