Onawa may refer to: Places Onawa, Iowa, a city in Monona County, Iowa Onawa, Maine, a populated place in Piscataquis County, Maine Onawa, Namibia, a settlement in the Omusati Region, Namibia People Onawa Lacy (born 1982), American beauty pageant Other uses Onawa IOOF Opera House, an opera house in Onawa, Iowa Onawa train wreck, a 1919 railroad accident near Onawa, Maine