Ona

Ona or ONA may refer to:

Anthropology

 * Ona or Selk'nam people, an indigenous people of southern Argentina and Chile
 * Ona language, a 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
 * Oficina Nacional Antidrogas, 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