Hero with O
- Odin
- Optimus Prime
- Orion
- One punch man
- Omni man
- Oliver Queen
- Octonauts
- oprah
- Orpheus
- octoman
- odysseus
- Oracle
- otto octavius
- Owl man
- Oliver twist
- Obelix
- Oedipus
- oblivion
- obi wan kenobi
- Old man
- Okoye
- Ozymandias
- Owlman
- octavius
- Octo man
- omega
- Obi wan
- Osiris
- Otto
- Omen
- Orville Wright
- Obliterator
- omni-man
- Ogre
- Osmosis Jones
- Oppenheimer
- Onyx
- Olivia
- Oscar wilde
- oden
- oreo man
- Ozone
- Omega man
- Oswald
- ocean
- Om puri
- Opal
- Obadiah
- omar
- Open
- oreo
- Octavia Spencer
- Osama
- Officer of the law
- om prakash
- Oberon
- Overwatch
- Omega red
- orochimaru
- Owl
- omkar
- optimums prime
- Olivier
- ochaco uraraka
- o-man
- omegaman
- Overkill
- Obituary
- Oasis
- OmniMan
- Ocean man
- Other
- Ox man
- orca man
- Oniman
- oct
- Onceler
- Orthodontist
- Orlando bloom
- Oprah Winfrey
- Ollie
- olive
- Oskar Schindler
- Oli
- olivia newton john
- oceanman
- Octavian
- Oliver the great
- Onix
- oscar schindler
- Octonaughts
The words in the list Hero with O come from players of the word game Categories game.