| Name | Meaning | Gender | Origin |
|---|
| Niyati | Chance, fate, wealth | Female | Indian |
| Noah | Rest | Male | Hebrew |
| Noel | Christmas | Male | English |
| Nolan | Chariot-fighter, champion | Male | Gaelic |
| Norman | Thor mind, Thor courage | Male | Gaelic |
| Oded | To encourage | Male | Hebrew |
| Odeda | Encouraged | Female | Hebrew |
| Odysseus | Full of wrath | Male | Greek |
| Olaf | Ancestor | Male | Norse |
| Oldrich | Powerful, Prosperous | Male | Czechoslovakian |
| Ondrea | Like a woman | Female | Czech |
| Orenda | Supernatural power | Female | Native American |
| Osbaldo | Uncertain, possibly divine power | Male | German |
| Osiris | Uncertain, perhaps throne of the eye | Unisex | Ancient Egyptian |
| Osvaldo | Uncertain, possibly divine power | Male | German |
| Oswald | Uncertain, possibly divine power | Male | German |
| Oswaldo | Uncertain, possibly divine power | Male | German |
| Otto | Wealth | Male | German |
| Owen | Well born, yew born | Male | Gaelic |
| Oz | Divine | Male | English |
| Pancrazio | Supreme Ruler, All Powerful | Male | Italian |
| Parker | Gamekeeper of a park | Male | English |
| Patrick | Patrician | Male | Latin |
| Paul | Small | Male | Latin |
| Pax | Peace | Unisex | Latin |
| Paxton | Settlement of Poecc | Male | English |
| Pegasus | Myth Name (Winged Horse) | Unisex | English |
| Pemba | The Force Of Present Existence | Female | African |
| Peter | Stone | Male | Greek |
| Phillip | Lover of horses | Male | Greek |