Villain with O
- Ogre
- Otto Octavius
- Octavious
- Osama bin laden
- Octavius
- Odin
- Overlord
- Omni man
- Omniman
- Omega
- Oblivion
- Orochimaru
- OJ Simpson
- onceler
- Ozymandias
- Orion
- Otto
- Otto octavious
- osborn
- Orc
- Osborne
- Oliver
- Orcs
- Obito
- Osama
- Ozai
- othello
- Octavian
- Oracle
- octoman
- Oberon
- Ophelia
- oswald cobblepot
- Odd Job
- Onslaught
- Obadiah Stane
- Omega red
- orange
- O'hare
- octo octavius
- Oddjob
- Oman
- Orange man
- Oogie Boogie
- Oger
- Octavio
- Obliterator
- Octopus Doctor
- Oculus
- Om puri
- Omicron
- Octavios
- octavia
- oedipus
- Ogres
- Orson
- octupus
- orpheus
- Oli London
- ock
- OSCAR
- Ocean
- Omarosa
- ozzy
- Octavias
- oliver twist
- Owlman
- Octane
- owen
- Owl man
- Ohio
- Octopi
- Opps
- Oni
- Outsider
- orson welles
- Orangutan man
- Otto Octavias
- Ogar
- orlando
- Ostrich
- Otello
- Oddball
- olive
- Outlander
- Ozark
- Otto Von Bismark
- odile
- Opal
- Ork
- Orca
- Orochi
- Osbourne
- oclin
- Ojoker
- Oligarchs
- Oh no
- Omkara
- Ollie
Kata-kata dalam daftar Villain with O berasal dari pemain permainan kata ABC Lima Dasar.