Ōba, Oba, Ooba or Ohba (written: , or ) is a Japanese surname. Notable people with the surname include:
, Japanese footballer , Japanese table tennis player , Japanese aikidoka and judoka , Japanese samurai , Japanese footballer , Japanese actor and stuntman , Japanese voice actor and narrator , Japanese boxer , Japanese singer and actress , Japanese writer and social critic , Japanese figure skater , Japanese video game designer Onario Oba (died 2009), Belizean shooting victim , Japanese submarine commander , Imperial Japanese Army officer , Japanese basketball player and executive , Japanese maki-e lacquer artist , Japanese baseball player , Japanese manga artist