| Name | Meaning | Gender | Origin |
|---|
| Noa | Movement
| Female | Hebrew |
| Noga | Sparkle
| Female | |
| Nola | Noble or Famous | Female | Gaelic |
| Nona | ninth | Female | Latin |
| Nora | Abbreviation of Eleanora light and Honora honor.
| Female | Irish |
| Nova | A star that suddenly becomes much brighter. | Female | Latin |
| Nyx | Greek goddess of night | Female | Greek |
| Octavia | eighth | Female | Latin |
| October | eighth | Female | Latin |
| Odessa | odyssey, journey, voyage | 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 |
| 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 |
| Orange | Round citrus fruit originating in Southeast Asia. | Female | Fruit |
| Orange | Round citrus fruit originating in Southeast Asia. | Female | Fruit |
| Osana | Health
| Female | |
| Osane | Health
| Female | |
| Pabla | Little
| Female | |
| Paige | page to a lord | Female | English |
| Palba | Blond
| Female | |
| Pandora | talented one | Female | Greek |
| Paris | Brand of perfume. | Female | |
| Patti | patrician | Female | English |