Nishio (written: 西尾) is a Japanese surname. Notable people with the surname include:
, Japanese shogi player , Japanese animator and director
, Japanese singer, actress and model , Japanese film director, animator and writer , Japanese academic Linda Nishio (born 1952), Japanese-American artist , Japanese actress , Japanese politician , Japanese footballer , Japanese aikidoka , Japanese computer scientist , Japanese daimyō , Japanese daimyō , Japanese daimyō , Japanese daimyō , Japanese daimyō , Japanese daimyō , Japanese daimyō , Japanese daimyō , Japanese daimyō , Japanese animator and character designer , Japanese actor and voice actor , Japanese general