| Name | Meaning | Gender | Origin |
|---|
| Pierre | Stone | Male | Greek |
| Pippin | Foreigner, stranger | Unisex | Latin |
| Pipsqueak | | Unisex | Hebrew |
| Pixel | | Unisex | Hebrew |
| Pixie | A fairy like creature. Playful and mischievous | Female | English |
| Pluto | Wealth, riches | Unisex | Greek |
| Polo | Brave wanderer | Male | English |
| Popcorn | Corn that when heated forms white edible puffs. | Unisex | English |
| Powder | Substance of fine particles. Light, dry snow. | Unisex | English |
| Prisca | Ancient | Female | Latin |
| Priscilla | Ancient | Female | Latin |
| Puck | Elf | Unisex | English |
| Pumpkin | Large round fruit with orange skin | Unisex | English |
| Quark | Subatomic particle | Unisex | English |
| Queenie | Female ruler | Female | English |
| Quimby | From the woman's estate | Unisex | English |
| Radar | | Unisex | Hebrew |
| Rafiki | Friend | Unisex | Arabic |
| Raissa | Thinker | Female | English |
| Rascal | One that is playfully mischievous | Unisex | English |
| Reno | Ruler with counsel | Unisex | Germanic |
| Ricky | Strong power | Male | French |
| Rina | Pet form of names in -rina | Female | English |
| Robert | Bright fame | Male | Germanic |
| Roo | | Unisex | Hebrew |
| Rose | Rose | Female | Latin |
| Rugrat | | Unisex | Hebrew |
| Ruth | Friend | Female | Hebrew |
| Ryan | Little King | Male | Gaelic |
| Saffron | From the spice or the colour, yellow | Female | English |