| Neptuna | A feminine form of Neptune. |
| Nexus | A central point or connection. |
| Nezuko | A name meaning small child. |
| Nias | A name meaning bright light. |
| Niasa | A Sanskrit name meaning purpose or aim. |
| Nicely | Derived from words meaning precise or exact. |
| Nilakanth | One with a blue throat, referring to Shiva. |
| Nilgiri | Refers to the blue mountains of India. |
| Nilus | The Latinized name for the River Nile. |
| Nirbandh | A name meaning bound, tied, or restricted. |
| Nirbandha | Meaning without attachment or bondage. |
| Nitinia | A name meaning one who is full of grace. |
| Nitocris | Meaning victorious among the people. |
| Nixya | A name meaning one who is like the snow. |
| Njordik | Derived from the Norse god Njord. |
| Nkosana | A prince or a young nobleman. |
| Node | A central point or connection. |
| Nofret | An ancient Egyptian for beautiful. |
| Nonon | A name meaning a little flower. |
| Note | A brief record or musical tone. |
| Notes | Written records or musical sounds. |
| Novan | A name meaning new or innovative. |
| Nrityaa | A name meaning dance or rhythm. |
| Nrityan | One who is skilled in dancing. |
| Nuada | An ancient Irish god of the sea. |
| Nube | A Spanish word meaning a cloud. |
| Nubis | A variation of the god Anubis. |
| Nutmeg | A fragrant, aromatic spice seed. |
| Nymeria | A legendary warrior queen name. |
| Nymphadora | A gift from the nature spirits. |
| Nynaeve | A name meaning a wise healer. |
| Nyu | A name meaning new or fresh start. |
| Nyxiana | One belonging to the night sky. |
| Nyxus | A name related to the dark night. |
| Yah | A Hebrew name meaning God or the Lord. |
| Yajnav | A Sanskrit name meaning sacrificial. |
| Yak | A Tibetan name meaning a wild ox. |
| Yakima | A Native American name meaning runaway. |
| Yakshi | A Sanskrit name meaning a forest spirit. |
| Yansa | A Native American name meaning buffalo. |