| Name | Meaning | Gender | Origin |
|---|
| Phineas | oracle; dark-skinned | Male | Hebrew |
| Phoebe | bright one | Female | Greek |
| Phoebe | bright one | Female | Greek |
| Pilar | pillar | Unisex | |
| Pip | Small seed of a fruit. Also "Pipsqueak" one that is small | Male | English |
| Pippin | Name of a king
| Male | |
| Pollyanna | Greek or Latin version of Hannah, Hebrew, grace | Female | Combination |
| Pollyanna | Greek or Latin version of Hannah, Hebrew, grace | Female | Combination |
| Pongo | One who smells. | Unisex | |
| Porthos | | Male | |
| Portia | pig, hog or doorway | Female | Latin |
| Precious | One who is beloved, a darling. | Female | Latin |
| Quentin | Fifth.
| Male | Latin |
| Rain | | Male | |
| Rhett | Enthusiastic, stream.
| Male | English |
| Riley | courageous | Female | Irish |
| Rima | White antelope
| Female | Arabic |
| Rin Tin Tin | | Unisex | Hebrew |
| Robert | Famed: bright: shining. 14th-century King Robert the Bruce. Robert Burns the poet.
| Male | English |
| Romeo | pilgrim to Rome | Male | Italian |
| Romola | Roman woman | Female | Latin |
| Rory | aka Rors | Male | Irish |
| Rosalind | Beautiful
| Female | Latin |
| Rose | Flower
| Female | Latin |
| Rowena | White haired
| Female | Welsh |