| Name | Meaning | Gender | Origin |
|---|
| Piper | Piper
| Female | English |
| Pippa | lover of horses | Female | English |
| Polly | Bitter
| Female | English |
| Polly | Bitter
| Female | English |
| Poppy | Flower with four crumpled petals in red, orange or white colours | Female | Latin |
| Poppy | Flower with four crumpled petals in red, orange or white colours | Female | Latin |
| Presley | priest's meadow | Unisex | |
| Prudence | caution | Female | |
| Prue | Prudent, Cautious | Unisex | English |
| Quinn | Intelligent
| Female | Irish |
| Ramona | Wise defender
| Female | Spanish |
| Raquel | Innocent
| Female | Spanish |
| Reese | ardor | Female | Welsh |
| Regan | little king | Female | Irish |
| Ricki | Feminine variation of Frederick, peaceful ruler, English from German | Female | Feminine |
| Riley | courageous | Female | Irish |
| Rita | pearl, precious | Female | English |
| Rosie | From Rose - The most beautiful of flowers | Female | English |
| Rowen | Welsh for slender and wize | Unisex | |
| Roxanna | little star | Female | Persian |
| Roxanne | Dawn
| Female | Persian |
| Roxie | Persian, dawn | Female | English |
| Roxy | From Roxanne - Brilliant dawn | Female | English |
| Ruby | Jewel
| Female | Latin |
| Sabrina | Legendary princess
| Female | Celtic |