| Name | Gender | Meaning | Favorites |
| Odathi | Girl | Refreshing | |
| Oditi | Girl | Dawn | |
| Odoti | Girl | Dawn, Refreshing | |
| Oindrila | Girl | Another Name for the Wife of Indra | |
| Oja | Girl | Vitality | |
| Ojasvi | Girl | Bright | |
| Ojaswini | Girl | Lustrous | |
| Oliyarasi | Girl | Brilliant | |
| Omaja | Girl | Result of spiritual unity | |
| Omala | Girl | Earth | |
| Omisha | Girl | Goddess of birth & death | |
| Omkareshwari | Girl | Gauri, Goddess Parvati | |
| Omvati | Girl | Sacred | |
| Oorja | Girl | The energy | |
| Oorjitha | Girl | Powerful | |
| Oormila | Girl | The youger sister of Sita | |
| Oparna | Girl | Parvathi | |
| Orpita | Girl | Offering | |
| Oshma | Girl | Summer season | |
| Oviya | Girl | Artist, Beautiful drawing | |
