| Name | Gender | Meaning | Favorites |
| Obalesh | Boy | Lord Shiva | |
| Odathi | Girl | Refreshing | |
| Oditi | Girl | Dawn | |
| Odoti | Girl | Dawn, Refreshing | |
| Oindrila | Girl | Another Name for the Wife of Indra | |
| Oja | Girl | Vitality | |
| Ojas | Boy | Body Strength, Light | |
| Ojasvi | Girl | Bright | |
| Ojaswini | Girl | Lustrous | |
| Ojayit | Boy | Courageous | |
| Oliyarasi | Girl | Brilliant | |
| Om Prakash | Boy | Light of the essence of life, The light of creation | |
| Omaja | Girl | Result of spiritual unity | |
| Omala | Girl | Earth | |
| Omanand | Boy | Joy of om | |
| Omarjeet | Boy | Lord of OM | |
| Omav | Boy | Avtar of Om, Incarnation of God | |
| Omesa | Boy | Lord of OM | |
| Omesh | Boy | Lord of the Om | |
| Omeshwar | Boy | Lord of the Om | |
