| Name | Meaning | Gender | Origin |
|---|
| Pip | Lover of horses | Unisex | Greek |
| Pipsqueak | | Unisex | Hebrew |
| Pixie | A fairy like creature. Playful and mischievous | Female | English |
| Poco | Little. | Unisex | English |
| Pretzel | Glazed, salted and brittle biscuit in the form of a knot or stick. | Unisex | English |
| Princess | Royal son | Female | English |
| Puddles | | Unisex | Hebrew |
| Pumpkin | Large round fruit with orange skin | Unisex | English |
| Ramsey | Wild garlic island | Male | English |
| Randy | Shield rim | Male | Germanic |
| Rascal | One that is playfully mischievous | Unisex | English |
| Riley | Rye clearing | Male | English |
| Rocky | Battle cry | Male | Germanic |
| Rod | Renown island | Male | English |
| Romy | Sea dew | Unisex | Latin |
| Rona | Ruler with counsel | Female | Norse |
| Ronnie | Ruler with counsel | Unisex | Norse |
| Rosa | Rose | Female | Latin |
| Rosie | Rose | Female | Latin |
| Roxy | Star | Female | Persian |
| Ruby | Red | Female | Latin |
| Rufus | Red | Male | Latin |
| Rusty | Rusty, full of rust | Unisex | American English |
| Sabrina | A Welsh river name | Female | Gaelic |
| Sadie | Princess | Female | Hebrew |
| Sage | Aromatic herb | Unisex | English |
| Sal | Saviour | Male | Italian |
| Salt | White crystals used as food seasoning. | Unisex | English |
| Sam | He is called god | Male | Hebrew |
| Samantha | Listener | Female | Aramaic |