Baby girl names starting with O
| Name | Meaning | Gender |
|---|---|---|
| Obharnait | The color of olive | |
| Octavia | ||
| Oda | Elfin spear | |
| Odahingum | Rippling water (Chippewa) | |
| Odanda | Famous land | |
| Odeda | Strong | |
| Odede | Strong | |
| Odeletta | Little spring | |
| Odelette | Little spring | |
| Odelia | Little wealthy one | |
| Odelina | Little wealthy one; Elfin spear | |
| Odelinda | Little wealthy one | |
| Odella | Little wealthy one | |
| Odelyn | Little wealthy one | |
| Odelyna | Little wealthy one | |
| Odette | Little wealthy one; Elfin spear | |
| Odiana | Elfin spear | |
| Odiane | Elfin spear | |
| Odila | Wealthy; Elfin spear | |
| Odile | Wealthy; Elfin spear | |
| Odilia | Little wealthy one | |
| Ofra | Fawn | |
| Ogin | Wild rose | |
| Ohnicio | Honor | |
| Oifa | Mythical sister of Ove | |
| Oihane | From the forest | |
| Oilbhe | Olive | |
| Oilell | A mythical queen | |
| Olathe | Beautiful | |
| Oldwin | Special friend | |
| Oldwina | Special friend | |
| Oldwyn | Special friend | |
| Oleda | Winged | |
| Oleta | Winged | |
| Oletha | Light; nimble. | |
| Olexa | Defender of mankind. Feminine of Alexander. | |
| Olga | ||
| Olinda | Defender of the land | |
| Olita | Winged | |
| Olive | Olive | |
| Oliveria | Affectionate | |
| Olivia | from the tree | |
| Olwen | Mythical daughter of Yspaddaden | |
| Olwyn | Mythical daughter of Yspaddaden | |
| Olympe | From Olympus | |
| Olympia | From Olympus | |
| Oma | Commanding; Cedar tree | |
| Omah | Cedar tree | |
| Omat | The color of olive | |
| Omette | Cedar tree | |
| Ominotago | Beautiful voice (Chippewa) | |
| Ona | Graceful; One | |
| Onawa | Wide awake | |
| Onida | The one searched for | |
| Onit | Graceful | |
| Onora | Honor | |
| Oona | One | |
| Oonagh | One | |
| Oota dabun | Day star (Algonquin) | |
| Ophelia | Serpentine | |
| Ophelie | Serpentine | |
| Ophra | Fawn | |
| Ophrah | Fawn | |
| Oprah | Fawn | |
| Ora | Beautiful seacoast; Money; Gold | |
| Orabel | Beautiful seacoast | |
| Orabelle | Beautiful seacoast | |
| Orah | Light | |
| Oralee | Light | |
| Orali | Light | |
| Oralie | Golden | |
| Orane | Rising | |
| Ordalf | Elfin spear | |
| Ordella | Elfin spear | |
| Orelia | Golden | |
| Orem | Mother's light | |
| Orghlaith | Golden | |
| Orguelleuse | An arrogant lady | |
| Oriana | Blond | |
| Oriel | Bird |