Girl's name with O
- Olga
- Opal
- Octavia
- Oprah
- Ollie
- Ola
- Odette
- Ofelia
- Ocean
- Ora
- Olympia
- Odessa
- Oakley
- Opera
- Osiris
- Orly
- Orchid
- Oceana
- October
- Oasis
- Onia
- Onyx
- Oceania
- Ova
- Oriel
- Orin
- Opel
- Oleander
- Omani
- Oman
- Oneida
- Oracle
- Osaka
- Ortega
- Ore
- Otto
- owl
- Olsen
- Orillia
- Orana
- Olivia Rodrigo
- Orinda
- Oran
- Ope
- Omen
- Oriya
- Olivine
- Obelia
- Olives
- Olin
- oak
- Oren
- Odin
- oil
- Oprah Winfrey
- Olandria
- oga
- Oily
- Ocarina
- Organa
- Ode
- Odell
- Oriole
- Osman
- Oby
- Olen
- Oakland
The words in the list Girl's name with O come from players of the word game City, Country, River.