Ona or ONA may refer to:
Anthropology Ona or Selkʼnam people, an indigenous people of southern Argentina and Chile Ona or Selkʼnam language, once spoken in Isla Grande de Tierra del Fuego Ona, a pre-Aksumite culture in Sembel, Eritrea
Geography Ona, Sandøy, an island in Møre og Romsdal county, Norway Ona, Vestland, an island in Øygarden, Norway Ona River or Biryusa, a river in Irkutsk Oblast, Russia Ona, West Virginia, a community in the United States Ona, Florida, a community in the United States Ona River, in Russia Ona Ara, a local government area in Nigeria Ona Ona, a former neighborhood of Mount Bindango, Queensland, Australia Ona Station, a railway station in Kita-ku, Japan Ona Beach State Park, in Oregon, United States Oña, a town in Castile and León, Spain Oña Canton, a canton in Ecuador
Transportation Ona (yacht), former name of Al Raya Ontario (Amtrak station) (station code), in Ontario, California, United States Overseas National Airways, a defunct U.S. airline Winona Municipal Airport (IATA code), in Winona, Minnesota, United States
Organizations Office of National Assessments, an Australian intelligence agency , a Venezuelan anti-drug agency Office of Net Assessment, a U.S. defense agency Oman News Agency, an Omani government news agency ONA Group, a defunct Moroccan holding company Online News Association, a professional online journalists organization Ontario Nurses' Association, a Canadian trade union for registered nurses Open and affirming, a United Church of Christ program Order of Nine Angles, a Satanist organization
Other uses Ona (name) Ona (Blake), daughter of Urizen in William Blake's mythology ONA (restaurant), the first vegan restaurant in France to win a Michelin star O.N.A., a Polish heavy metal band Ona de Sants-Montjuïc, a radio station in Barcelona, Spain Ona Kantheeswarar Temple, a Hindu temple in Tamil Nadu, India Original net animation, an anime title directly released onto the Internet "Ona to zna", a song by the Serbian band Idoli Ona Lukoszaite, a character in the novel The Jungle by Upton Sinclair
See also Onna (disambiguation)