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