| Name | Meaning | Gender |
|---|
| Oditi | Dawn | Girl |
| Oha | Meditation, True knowledge | Boy |
| Ohas | Praise | Boy |
| Oindrila | Wife of lord Indra | Girl |
| Oja | Vitality | Girl |
| Ojal | Vision, Splendor | Girl |
| Ojas | Body strength, Luster, Brilliance, Shine, Glow | Boy |
| Ojasvi | Bright | Girl |
| Ojaswini | Lustrous | Girl |
| Ojayit | Courageous | Boy |
| Om | Sacred syllable | Boy |
| Oma | Life giver | Girl |
| Omaja | Result of spiritual unity | Girl |
| Omala | Earth | Girl |
| Omana | Lady, Woman, Tender | Girl |
| Omanand | Joy of Om | Boy |
| Omar | An era | Boy |
| Omarjeet | | Boy |
| Omav | Avatar of Om, Incarnation of God | Boy |
| Omesa | Lord of Om | Boy |
| Omesh | Lord of Om | Boy |
| Omeshwar | Lord of Om | Boy |
| Omi | | Boy |
| Omisha | Goddess of birth and death | Girl |
| Omja | Born of cosmic unity | Boy |
| Omkar | Sound of the sacred syllable, Religious word OM | Boy |
| Omkara | Creator of Om | Boy |
| Omkareshwari | Goddess Parvati, Gauri | Girl |
| Omkari | Goddess Parvati, Gauri | Girl |
| Omkarnath | Lord of Omkaar, Lord Shiva | Boy |
| Ompati | Master of Om | Boy |
| Omprakash | Light of Om, Sacred light | Boy |
| Omswaroop | Manifestation of divinity | Boy |
| Omswarup | Manifestation of divinity | Boy |
| Omvati | Sacred, Having the power of Om | Girl |
| Omya | Beautiful | Girl |
| Onalika | | Girl |
| Onella | Light | Girl |
| Oni | Shelter, Cover | Girl |
| Onkar | God | Boy |
| Oojam | Enthusiasm | Boy |
| Oorjit | Powerful, Strong | Boy |
| Oormila | Daughter of King Janaka of Mithila, Name of Lakshman's wife | Girl |
| Opalina | Jewel | Girl |
| Opaline | Jewel | Girl |
| Oppilmani | Purest of gems | Boy |
| Ori | Charitable king | Boy |
| Orion | Son of fire | Boy |
| Orpita | Offering | Girl |
| Oshee | | Girl |
| Oshin | | Girl |
| Ottakoothan | Poet | Boy |
| Ovi | Holy message of Marathi saint | Boy |
| Oviya | Artist, Beautiful drawing | Girl |
| Paandu | Father of the Pandavas | Boy |
| Paandurang | A Deity | Boy |
| Paaninee | A Sanskrit grammarian | Boy |
| Paarbrahm | Supreme spirit | Boy |
| Paarth | Another name of Arjun, King, Student | Boy |
| Paarthiv | Earthly | Boy |
| Paavak | Pure | Boy |
| Paavan | Pure, Sacred, Breeze, Wind | Boy |