| Name | Meaning | Gender | Origin |
|---|
| Percy | | Male | |
| Perry | French form of Peter
| Male | English |
| 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 |
| Phil | | Unisex | |
| Pierre | A rock. Form of Peter.
| Male | |
| Prince | Principal one: first. The rock musician Prince.
| Male | Latin |
| Putin | | Unisex | Hebrew |
| Randy | Diminutive of Randolph. House wolf: protector. Mythological wolf was esteemed for courage.
| Male | English |
| Rem | | Male | Hebrew |
| Richard | powerful ruler; brave one | Male | |
| Richelle | powerful ruler; brave one | Unisex | |
| Robert | Famed: bright: shining. 14th-century King Robert the Bruce. Robert Burns the poet.
| Male | English |
| Rock | Italian from German, rest | Male | English |
| Roger | famous spearman, quiet | Male | |
| Romeo | pilgrim to Rome | Male | Italian |
| Roy | regal one, Red haired | Male | |
| Rudd | ruddy | Unisex | |
| Rudolf | | Unisex | |
| Rupert | middle name: Biggles | Male | |
| Russell | Red as a fox. | Male | |
| Sanchez | | Unisex | |
| Schrodinger | | Unisex | |
| Seth | The appointed by God | Male | Hebrew |
| Sheik | An Arab leader | Unisex | |
| Sheldon | protected hill | Male | English |