| Name | Meaning | Gender | Origin |
|---|
| Mona | Little noble one | Female | Gaelic |
| Monica | Uncertain, perhaps counsellor | Female | Latin |
| Murphy | Sea warrior | Male | Gaelic |
| Nancy | Grace | Female | Hebrew |
| Naomi | Beautiful, pleasant, delightful | Female | Hebrew |
| Napoleon | Sons of the mist, a race of dwarves | Male | Germanic |
| Natala | Born At Christmas | Female | English |
| Natalia | Christ's birthday | Female | Italian |
| Neda | Born on sunday | Female | Slovak |
| Neo | New | Male | English |
| Nero | Stern | Male | Latin |
| Nicia | Feminine Form Of Nicholas (People's Victory) | Female | English |
| Nicki | Victory of the people | Female | Greek |
| Nicola | Victory of the people | Female | Greek |
| Nina | Strong | Female | Latin |
| Ninja | | Unisex | Hebrew |
| Noe | Rest:Consolation. Form Of Noah. | Male | English |
| Noemi | Beautiful, pleasant, delightful | Female | Hebrew |
| Noodle | A narrow ribbon-like strip of dough | Unisex | English |
| Nora | Light | Female | English |
| Octavia | Eighth | Female | Latin |
| Odessa | Place name | Female | Ukrainian |
| Olivia | Elf army | Female | English |
| Olli | Heir | Unisex | Finnish |
| Olympia | From Mount Olympus | Female | Greek |
| Omega | Great | Female | English |
| Onyx | A gemstone with bands of different colours. | Unisex | English |
| Opal | Jewel, gem | Female | Sanskrit |
| Oria | Light of God | Female | Hebrew |
| Oriana | Dawn, gold | Female | Latin |