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