Orono may refer to:

Places Oroño Boulevard, Rosario, Santa Fe Province, Argentina Orono, Ontario, Canada, a town in the Municipality of Clarington

United States Orono, Maine, a town in Penobscot County, home to the University of Maine Orono (CDP), Maine, the main settled area of the town Orono, Michigan, an unincorporated community Orono, Minnesota, a city in Hennepin County Orono Township, Muscatine County, Iowa

People Dumas Oroño (1921–2005), Uruguayan artist Joseph Orono (1688–1738), Penobscot Indian chief Nicasio Oroño (1825–1904), Argentine politician and lawyer Rafael Orono (born 1958), Venezuelan boxer Orono Wor Petchpun (born 1978), Thai kickboxer and mixed martial artist Orono Noguchi, member of Superorganism (band)

Other uses Hedone orono, a butterfly of family Hesperiidae