| Name | Meaning | Favorites |
| Oriel | The Golden | |
| Orinda | Pine trees | |
| Orion | A hunter in greek mythology | |
| Orleans | Golden | |
| Orlee | The Lord is my Light | |
| Orlena | The Golden | |
| Orli | The light is mine | |
| Ormanda | Of the Sea | |
| Ornetta | Cedar tree | |
| Orpah | Fawn | |
| Orpita | Offering | |
| Orzora | God's Strength | |
| Osanna | Praise | |
| Oshma | Summer season | |
| Otylia | Lucky heroine | |
| Oviya | Artist, Beautiful drawing | |
| Owena | Well born | |
| Ozera | Treasure | |
| Padidah | A phenomenon | |
| Padma | Goddess Laxmi, Lotus | |
