| Name | Meaning | Gender | Origin |
|---|
| Papa | | Unisex | |
| Parrot | | Unisex | |
| Patton | fighter's town | Male | English |
| Paul | small | Male | Latin |
| Perry | French form of Peter
| Male | English |
| Pershing | Piercing The Valley | Unisex | French |
| Pilot | | Male | |
| Powers | | Male | |
| Radar | | Male | |
| Rags | | Male | |
| Ranger | dweller in the field A warden employed to protect a forest area. | Male | |
| Ransom | son of the shield; redeemer | Male | English |
| Rebel | One that resists of defies authority | Male | Word |
| Richard | powerful ruler; brave one | Male | |
| Riley | courageous | Female | Irish |
| Rip | ripe, full grown | Male | Dutch |
| Robert | Famed: bright: shining. 14th-century King Robert the Bruce. Robert Burns the poet.
| Male | English |
| Rocket | To move swiftly and powerfully | Male | Word |
| Roger | famous spearman, quiet | Male | |
| Romeo | pilgrim to Rome | Male | Italian |
| Ronin | Samurai without a master | Unisex | |
| Ross | from the TV sitcom Friends | Male | Scottish |
| Sailor | One who serves in the navy or works on a ship. | Male | Occupational |
| Sam | to hear | Male | English |
| Samuel | his name is God | Male | Hebrew |