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