| Name | Meaning | Gender | Origin |
|---|
| Paul | small | Male | Latin |
| Penguin | | Male | |
| Pepper | A spice or condiment. | Male | Sanskrit |
| Percival | Hero of several Arthurian stories
| Male | |
| Perseus | | Male | |
| Peter | A rock. Peter the biblical fisherman and apostle had impulsive nature and rocklike faith. In Catholic tradition he is the first pope.
| Male | Greek |
| Phoenix | Mystical Bird, Purple
| Male | Greek |
| Phoenix | Mystical Bird, Purple
| Male | Greek |
| Porter | gatekeeper, carrier | Male | Latin |
| Presley | priest's meadow | Unisex | |
| Ra | sun | Male | Egyptian |
| Ramses | son of God | Male | Egyptian |
| Rebel | One that resists of defies authority | Male | Word |
| Rex | after the Rex Banner character in The Simpsons cartoons | Male | Latin |
| Rhett | Enthusiastic, stream.
| Male | English |
| Rip | ripe, full grown | Male | Dutch |
| Rocket | To move swiftly and powerfully | Male | Word |
| Rocky | rest | Male | English |
| Roland | from the famous land | Male | |
| Romeo | pilgrim to Rome | Male | Italian |
| Salty | | Unisex | Hebrew |
| Sam | to hear | Male | English |
| Sapien | | Unisex | |
| Sasquatch | has extra toes and hence is a bigfoot | Unisex | |
| Savage | | Unisex | Hebrew |