| Name | Meaning | Gender | Origin |
|---|
| Perry | French form of Peter
| Male | English |
| Pete | A rock. 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 |
| Petey | | Male | |
| Petr | Rock | Unisex | Czechoslovakian |
| Petros | Rock | Unisex | Greek |
| Phailin | | Unisex | |
| Phillip | lover of horses | Male | Greek |
| Pierce | rock | Unisex | |
| Pierce | rock | Male | English |
| Piero | rock | Male | Italian |
| Pierre | A rock. Form of Peter.
| Male | |
| Pieter | a Dutch Friesian name | Male | |
| Pietro | Greek, rock | Male | Italian |
| Platinum | | Unisex | |
| Pollock | pit | Male | Scottish |
| Prince | Principal one: first. The rock musician Prince.
| Male | Latin |
| Princeton | Principal one: first. The rock musician Prince.
| Male | English |
| Quartz | | Male | |
| Ratana | | Unisex | |
| Red | A primary colour resembling the colour of blood | Male | Color |
| Reena | Peaceful | Unisex | Greek |
| Richard | powerful ruler; brave one | Male | |
| Rocco | rest | Male | Italian |
| Rochester | rock fortress | Male | English |