| Name | Meaning | Gender | Origin |
|---|
| Navajo | | Unisex | Hebrew |
| Nelson | son of a champion, son of Neil | Male | English |
| Nevada | Snow-clad. A western USA state.
| Male | Spanish |
| Nevaeh | Heaven (Backwards) | Female | American |
| Newton | new town | Male | English |
| Nicholas | victorious people | Male | Greek |
| Nielsen | after Rick Nielsen, the Cheap Trick guitarist | Unisex | |
| Nina | Girl
| Female | Russian |
| Noah | Comfort
| Male | Hebrew |
| Norbert | blond hero | Male | |
| Norman | man from the north | Male | English |
| Norris | Caretaker | Male | |
| North | from the north | Male | Word |
| Novella | Newcomer | Unisex | Latin |
| Obrien | descendant of Brian | Male | Irish |
| Olive | kind one; olive tree, peace. Symbol of peace. A small oval fruit. | Female | English |
| Oliver | The olive tree. The biblical olive tree symbolizes fruitfulness and beauty and dignity. Extending an olive branch signifies an offer of peace.
| Male | Latin |
| Olivia | Olive
| Female | Latin |
| Ollie | Latin, olive tree | Male | English |
| Orville | Gold town.
| Male | |
| Osborn | Soldier of God | Male | English |
| Oscar | God's spear.
| Male | English |
| Otis | Wealthy.
| Male | |
| Otter | | Unisex | |
| Owen | Young fighter
| Male | Welsh |