Duniway is a surname. Notable people with the name include:
Abigail Scott Duniway (1834–1915), American women's rights advocate, newspaper editor and writer Ben C. Duniway (1907–1986), United States circuit judge of the United States Court of Appeals Clyde A. Duniway (1866–1944), American educator, president of the University of Montana (1908–1912)
See also Duniway Hotel, Hilton-brand hotel in Portland, Oregon Duniway Park, public park in southwest Portland, Oregon