IWA

IWA may refer to:

  • Independent Wrestling Association Mid-South
  • Indian Workers' Association
  • Industrial, Wood and Allied Workers of Canada (IWA Canada), an autonomous branch of the former International Woodworkers of America trade union (IWA)
  • Inland Waterways Association
  • Institute of Welsh Affairs, a Welsh think-tank
  • Integrated Windows Authentication
  • International Water Association
  • International Webcasting Association
  • International Webmasters Association
  • International Woodworkers of America
  • International Workers Association is an anarcho-syndicalist federation of labour unions
  • International Workshop Agreement, a stage of standardization process used by International Organization for Standardization
  • International Workingmen's Association
  • International Wrestling Association
  • International Wrestling Association of Japan
  • Irish Wheelchair Association
  • Phoenix-Mesa Gateway Airport (FAA airport code: IWA) in Mesa, Arizona
  • Iwa, the Great Frigatebird, a migratory seabird in the Northwestern Hawaiian Islands
  • IWA and OUTDOORCLASSICS – Internationale Waffen Ausstellung (International Weapons Exhibition) - an exhibition taking place every year in Nuremberg/Germany