Ōhashi, Ohashi or Oohashi (written: 大橋 lit. "large bridge") is a Japanese surname. Notable people with the surname include:
Akira Ohashi (born 1968), Japanese actorAyaka Ohashi (born 1994), Japanese voice actressKyosen Ōhashi (born 1934), Japanese TV host and writerHideyuki Ohashi (born 1965), former Japanese professional boxerHiroyoshi Ohashi (born 1936), botanist formerly at the University of Tokyo and Tohoku UniversityKatelyn Ohashi (born 1997), American artistic gymnastKenichirō Ōhashi (born 1982), Japanese voice actor, and singerKenzo Ohashi (born 1934), former Japanese football playerKyosen Ōhashi (born 1934), Japanese TV host and writerMasaharu Ōhashi (born 1947), Justice of the Supreme Court of JapanMasahiro Ohashi (born 1981), Japanese football playerMayumi Ōhashi (born 1966), Japanese manga artistNozomi Ohashi (born 1999), retired Japanese child actress and singerRene Ohashi, Canadian cinematographerTsutomu Ōhashi (born 1933), Japanese artist and scientistTsuyoshi Ōhashi (born 1972), Japanese manga artist