| Nohea | A lovely or handsome person. |
| Nollan | A famous and noble man; a champion of the people |
| Nooa | Rest comfortably |
| Noortje | Sympathy; compassion |
| Nopadon | A gift from the heavens. |
| Norene | A bright and shining light. |
| Normah | A woman of noble character. |
| Normi | A person who follows mainstream trends. |
| Nuan | A name meaning soft, warm, or gentle. |
| Nuriah | A person who is bright and full of light. |
| Nurten | One who possesses a glowing, new skin. |
| Nurya | A name meaning light of God. |
| Nuryah | Derived from light of the Lord. |
| Nyam | A name meaning to eat food. |
| Nyama | Meaning a gift from the soul. |
| Nyamah | Meaning a graceful blessing. |
| Nykee | Victorious people |
| Nykey | Victorious people |
| Nyki | Victorious people |
| Nykie | Victorious people |
| Nykyrian | Nykyrian is a variant of Nikyrian, derived from Greek 'nike,' meaning victory. |
| Nylaa | Meaning a successful winner. |
| Nylan | Nylan is a variant of Nolan, derived from the Gaelic name 'Ó Nualláin,' meaning 'champion' or 'strong warrior'. |
| Nylla | A cloud or a heavenly being. |
| Nyomi | A name meaning pleasantness. |
| Oachim | God will establish |
| Oakland | Oakland is derived from the Old English words 'oak' and 'land', referring to a wooded area. |
| Oanez | A name meaning a little lamb. |
| Obama | One who leans or is bent. |
| Oban | Oban means 'little bay' or 'small inlet' in Gaelic, referring to a coastal town in Scotland. |
| Obed Edom | Servant of Edom; He who serves the edomites |
| Obioma | A person with a good heart. |
| Obrecht | Known for his inheritance |
| Oceanna | Derived from the vast ocean. |
| Ocelotl | Ocelotl means 'beauty' or 'handsome one' in the Nahuatl language, an indigenous Mexican dialect. |
| Ochuko | Ochuko is a Nigerian name meaning 'God's gift' or 'gift from God' in the Urhobo language. |
| Ocie | Polish diminutive form of Oskar, meaning 'little dear' or 'beloved'. |
| OConnor | Wisdom; counsel; strength |
| Octavey | Born as the eighth child. |
| Octaviano | Derived from Latin 'octavus,' meaning eighth, and 'ianus,' a suffix indicating a place or a person. |