Fictional Characters with O
- Olaf
- Ophelia
- Oliver
- Odin
- Oswald
- Oscar
- optimus prime
- Orion
- Olivia
- Olive
- Oliver Wood
- Oliver Queen
- Olive Oil
- Oggy
- Otis
- Ogre
- Otto
- Obelix
- Ollie
- Olivander
- oompa loompa
- Otto Octavius
- Ollivander
- Olivia the pig
- Opie
- Odysseus
- Octavia
- Oberon
- Opal
- Omen
- orochimaru
- Orpheus
- obito
- Onyx
- Obi wan
- Odie
- Onix
- Olivia Pope
- Oswald the Octopus
- One punch man
- Octavius
- Oedipus
- Odette
- Olly
- Omni man
- Osiris
- Orlando
- Octavian
- Olimar
- Octonauts
- Omega
- Ornn
- Omniman
- Ogres
- Olivia Benson
- Octodad
- Orianna
- Oikawa
- Oslo
- Ori
- Oden
- Oracle
- Owen Hunt
- Osmosis Jones
- Otto Octavious
- Oscar Martinez
- Old Yeller
- Oswald Cobblepot
- Oogway
- Orville
- octavia blake
- Onceler
- orcs
- Omni-man
- obi-wan kenobi
- Oliver atom
- Ozymandias
- Owl
- Owlman
- Oliva
- Oso
- Oompa Loompas
- Obiwan
- Omori
- Osborn
- Orisa
- orc
- old mcdonald
- olof
- Ola
The words in the list Fictional Characters with O come from players of the word game City, Country, River.