Political organizations • United Nations Organization, a regional misnomer for the
United Nations •
A New Option or
Una Nueva Opción (UNO), non-profit organization in Ecuador •
National Opposition Union or (UNO), Nicaraguan political organization from the 1960s •
National Opposition Union or (UNO), Salvadoran political organization from the 1970s •
National Opposition Union or (UNO), Nicaraguan political organization from the 1990s •
United Nations-Oceans, mechanism of the United Nations system •
United Nicaraguan Opposition, Nicaraguan political organization 1985–2000 •
United Opposition (Philippines) (UNO) now Genuine Opposition, Philippine umbrella political coalition •
Ukrainian National Union or ''Ukrayins'ke Natsional'ne Ob'yednannya'' (UNO), Carpatho-Ukrainian political party in 1939
Academic organizations •
National University of the West (
Universidad Nacional del Oeste), Argentine national university •
University of Nebraska Omaha, Omaha, Nebraska, United States •
Omaha Mavericks, also called UNO Mavericks, the athletic program of the above school •
University of Negros Occidental - Recoletos (UNO-Recoletos or UNO-R), Bacolod City, Negros Occidental, Philippines •
University of New Orleans, New Orleans, Louisiana, United States •
New Orleans Privateers, also called UNO Privateers, the athletic program of the above school • UNO Charter Schools, a branch of
United Neighborhood Organization Brands and enterprises •
Uno (bus company), bus service operated by the University of Hertfordshire, England, United Kingdom •
Uno Pizzeria & Grill, a restaurant franchise, also known as Pizzeria Uno or Uno's •
Gasolineras Uno, a multinational gas stations company based in Honduras ==People==