Ōmori, Omori, Oomori or Ohmori (written: lit. "big forest") is a Japanese surname. Notable people with the surname include:
, Japanese judoka , Japanese seismologist , Japanese surgeon , Japanese footballer , Japanese professional wrestler , Japanese physical education specialist , Japanese film director and screenwriter , Japanese physicist and chemist , Japanese footballer , Japanese footballer , Japanese footballer , Japanese actor , Japanese voice actress , Japanese voice actress, idol and singer , Imperial Japanese Navy admiral , Japanese sprinter , Japanese sprinter , Japanese World War II flying ace Shotaro Omori (born 1995), American figure skater , Japanese Zen Buddhist , Japanese animator and anime director , Japanese professional wrestler , Japanese film director and actor