| Name | Gender | Meaning | Favorites |
| Oojam | Boy | Enthusiasm | |
| Oopajai | Boy | Dwell, Reside | |
| Oorja | Girl | The energy | |
| Oorjit | Boy | Powerful | |
| Oorjitha | Girl | Powerful | |
| Oormila | Girl | The youger sister of Sita | |
| Oparna | Girl | Parvathi | |
| Ophelia | Girl | Serpent | |
| Ophira | Girl | Gold | |
| Ophra | Girl | Young Fawn, Young Mountain | |
| Ophrah | Girl | Light | |
| Opinder | Boy | Nearness to god | |
| Oppilan | Boy | Peerless gem | |
| Oppilmani | Boy | Purest of gems | |
| Oprah | Girl | Runaway | |
| Ora | Girl | Light | |
| Orah | Girl | Light | |
| Oralee | Girl | Lord is my light | |
| Orali | Girl | The Lord is my Light | |
| Orang | Boy | A throne, Beauty, Understanding, Wisdom | |
