| Name | Gender | Meaning | Favorites |
| Oorja | Girl | The energy | |
| Oorjit | Boy | Powerful | |
| Oorjitha | Girl | Powerful | |
| Oormila | Girl | The youger sister of Sita | |
| Oparna | Girl | Parvathi | |
| Oppilan | Boy | Peerless gem | |
| Oppilmani | Boy | Purest of gems | |
| Orpita | Girl | Offering | |
| Oshma | Girl | Summer season | |
| Osho | Boy | Dear | |
| Ottakoothan | Boy | Poet | |
| Oviya | Girl | Artist, Beautiful drawing | |
| Oviyan | Boy | Artist | |
| Pabok | Boy | Fire | |
| Padma | Girl | Goddess Laxmi, Lotus | |
| Padmabandhu | Boy | Friend of Lotus | |
| Padmagriha | Girl | Who Resides in a Lotus | |
| Padmahasta | Boy | Lotus Handed | |
| Padmaj | Boy | Lord Brahama | |
| Padmaja | Girl | Born from Lotus, Goddess Laxmi | |
