Name with O
- Oscar
- Olivia
- Oliver
- Omar
- Owen
- Orlando
- Otto
- Olga
- Ollie
- Olaf
- Olive
- Ophelia
- Oswald
- Orion
- Oprah
- Obama
- Osvaldo
- Octavia
- Otis
- Ola
- Opal
- Octavio
- Osman
- Olivier
- Oman
- Oskar
- Osama
- Orville
- Oleg
- Odin
- Ole
- Othello
- Oreo
- Ofelia
- Orson
- Ocean
- Oakley
- Octavian
- Oren
- Oslo
- Olsen
- Orland
- Odette
- oak
- Omen
- Odessa
- Orwell
- Oxford
- Osiris
- Orly
- Olson
- omega
- Oden
- Orin
- Ontario
- Olympia
- Ozzie
- October
- Ora
- olli
- Obadiah
- Otter
- Obi
- oval
- Oregon
- Octopus
- Oedipus
- OJ Simpson
- Olivia Rodrigo
- Opel
- opera
- Oklahoma
- ostrich
- Orpheus
- onyx
- Ono
- orang
- Oasis
- Own
- Oceana
- O'Neil
- Orval
- Odell
- Osaka
- Oriel
- Osmond
- Orestes
- omni
- orchid
- Onur
- Otilia
- Oral
- Olin
- Omid
- oliwka
- Onix
- Octave
- Ottawa
- Osborne
- Orrin
The words in the list Name with O come from players of the word game City, Country, River.