| Name | Meaning | Favorites |
| Omette | Cedar tree | |
| Omisha | Goddess of birth & death | |
| Omkareshwari | Gauri, Goddess Parvati | |
| Omvati | Sacred | |
| Ona | Graceful | |
| Ondrea | Strong | |
| Oorja | The energy | |
| Oorjitha | Powerful | |
| Oormila | The youger sister of Sita | |
| Oparna | Parvathi | |
| Ophelia | Serpent | |
| Ophira | Gold | |
| Ophra | Young Fawn, Young Mountain | |
| Ophrah | Light | |
| Oprah | Runaway | |
| Ora | Light | |
| Orah | Light | |
| Oralee | Lord is my light | |
| Orali | The Lord is my Light | |
| Oriana | To rise | |