UIA is:

  • The name of a narrow valley and a bay in Fatu Hiva in the Marquesas
  • An abbreviation for: Ukraine International Airlines, a Ukrainian airline
  • Union Internationale des Avocats, an international law association
  • Union of International Associations, a non-governmental organization based in Brussels
  • International Union of Architects, International Union of Architects, based in Paris
  • Universidad Iberoamericana, Mexico Private University
  • Universitetet i Agder, Agder University in Norway
  • Disambiguation
  • Abbreviation