| Name | Meaning | Gender | Origin |
|---|
| Octavia | eighth | Female | Latin |
| Odo | Prosperous | Unisex | German |
| Olga | holy | Female | Russian |
| Olive | kind one; olive tree, peace. Symbol of peace. A small oval fruit. | Female | English |
| Olivia | Olive
| Female | Latin |
| Olympia | of Mount Olympus, heavenly | Female | Greek |
| Oona | lamb | Female | Irish |
| Pamela | honeyed | Female | English |
| Paris | Brand of perfume. | Female | |
| Patience | | Female | |
| Paula | small | Female | Feminine |
| Pearl | Precious jewel. A hard, rounded gem, usually white in colour | Female | Latin |
| Penelope | Dream weaver
| Female | Greek |
| Philippa | Lover of Horses. Variant of masculine Philipp.
| Female | Greek |
| Philomena | song lover, friend, lover of the moon | Female | Greek |
| Phoebe | bright one | Female | Greek |
| Phoebe | bright one | Female | Greek |
| Polly | Bitter
| Female | English |
| Polly | Bitter
| Female | English |
| Prima | first one | Female | Latin |
| Priscilla | Of ancient lineage | Female | Latin |
| Prudence | caution | Female | |
| Quinta | Born fifth
| Female | |
| Rachel | from the TV sitcom Friends | Female | Hebrew |
| Ramona | Wise defender
| Female | Spanish |