| Name | Meaning | Gender | Origin |
|---|
| Ninja | | Unisex | Hebrew |
| Onyx | A gemstone with bands of different colours. | Unisex | English |
| Orion | Son Of Fire | Male | Greek |
| Osiris | Uncertain, perhaps throne of the eye | Unisex | Ancient Egyptian |
| Otto | Wealth | Male | German |
| Pan | Herdsman | Unisex | Greek |
| Panther | A black leopard | Unisex | English |
| Pax | Peace | Unisex | Latin |
| Phantom | Something elusive. A ghost | Unisex | English |
| Phoenix | Phoenix | Male | Greek |
| Pirate | | Unisex | Hebrew |
| Piston | | Unisex | Hebrew |
| Primo | First | Male | Latin |
| Psycho | | Unisex | Hebrew |
| Puddles | | Unisex | Hebrew |
| Punk | | Unisex | Hebrew |
| Queen | Female ruler | Unisex | English |
| Quick | Speedy and fast. | Unisex | English |
| Quinn | Descendent of Cuinn | Male | Gaelic |
| Radar | | Unisex | Hebrew |
| Rage | | Unisex | Hebrew |
| Ranger | Gamekeeper | Male | English |
| Ransom | Son Of Rand | Male | English |
| Rascal | One that is playfully mischievous | Unisex | English |
| Rasta | | Unisex | Hebrew |
| Raven | Raven | Male | English |
| Ravenna | Raven | Unisex | English |
| Reagan | Descendent of Riagán | Unisex | Gaelic |
| Rebel | One that resists of defies authority | Unisex | English |
| Reese | Enthusiasm | Male | Welsh |