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