| Name | Meaning | Gender | Origin |
|---|
| Nefertiti | Egyptian Queen | Female | Egyptian |
| Nessa | headlands, promontory | Female | Scandinavian |
| Nessus | character in sf novel by Larry Niven, Ringworld | Unisex | |
| Nightshade | | Unisex | Hebrew |
| Nova | A star that suddenly becomes much brighter. | Female | Latin |
| Nubia | From Nubia Africa, Gold | Unisex | Egyptian |
| Obsidian | | Unisex | |
| Og | | Unisex | Hebrew |
| Oleander | | Unisex | |
| Opal | Australian gemstone of remarkable colours, usually red, blue or green | Female | Sanskrit |
| Opal | Australian gemstone of remarkable colours, usually red, blue or green | Female | Sanskrit |
| Osborne | soldier of God | Unisex | |
| Paula | small | Female | Feminine |
| Pearl | Precious jewel. A hard, rounded gem, usually white in colour | Female | Latin |
| Penelope | Dream weaver
| Female | Greek |
| Petra | rock, stone | Female | Greek |
| Philomena | song lover, friend, lover of the moon | Female | Greek |
| Phoebe | bright one | Female | Greek |
| Phoebe | bright one | Female | Greek |
| Phyllis | A green branch.
| Female | Greek |
| Pixie | A fairy like creature. Playful and mischievous | Female | |
| Pixie | A fairy like creature. Playful and mischievous | Female | Swedish |
| Polaris | | Unisex | Hebrew |
| Pooky | | Unisex | |
| Prometheus | Forethought | Unisex | Greek |