| Name | Meaning | Gender | Origin |
|---|
| Popoki | Hawaiian for cat | Unisex | |
| Pops | | Unisex | |
| Porkchop | | Unisex | Hebrew |
| Prince | Principal one: first. The rock musician Prince.
| Male | Latin |
| Psycho | | Male | |
| Puck | | Male | |
| Puddin | | Unisex | |
| Puddin | | Unisex | |
| Puddin | | Unisex | |
| Pug | Short for pugnacious; combative, belligerent. A breed of dog originating in China. | Unisex | |
| Pumba | | Unisex | |
| Pumpkin | Large round fruit with orange skin | Male | |
| Punky | | Unisex | |
| Pure | | Unisex | |
| Purina | | Unisex | |
| Quark | subatomic particle | Unisex | |
| Quartz | | Male | |
| Quincy | Fifth: derived from Roman clan name.
| Male | |
| Radar | | Male | |
| Rafe | Form of Rafael God has healed.
| Male | English |
| Raisin | | Unisex | |
| Ranger | dweller in the field A warden employed to protect a forest area. | Male | |
| Rascal | One that is playfully mischievous | Male | |
| Rasta | | Unisex | Hebrew |
| Rebel | One that resists of defies authority | Male | Word |