IAD or Iad may stand for:

Organisations and businesses

  • AirAsia India, ICAO airline code IAD
  • Internal affairs (law enforcement), or Internal Affairs Division (IAD), the police agency division that investigates possible misconduct
  • Inter-American Dialogue, or IAD, a non-profit organization in Washington, D.C.
  • International Automotive Design, or IAD, a British car manufacturer
  • Iraqi Army Division, or IAD

Places, airport codes

  • Iad (river), a tributary of the Crișul Repede in Bihor County, Romania
  • Iad, a tributary of the Bistrița (Someș) in Bistrița-Năsăud County, Romania
  • Livezile, Bistrița-Năsăud, Romania, Livezile Commune was formerly called Iad
  • Washington Dulles International Airport, IATA airport code IAD

Technology

  • iAd, a mobile advertising service operated by Apple Inc.
  • Integrated access device, or IAD
  • Intelligent Assist Device (robotics), or IAD
  • Internet addiction disorder, or IAD

Other uses

  • Institutional analysis and development framework, or IAD, a systematic method in policy analysis
  • Instructor-assisted deployment, or IAD, a parachute deployment method for student skydivers
  • Interaction design, or IAD
  • International Air Distress, or IAD, a radio frequency
  • Intramolecular aglycon delivery, or IAD, a stereospecific glycosylation technique in organic carbohydrate chemistry
  • International Asexuality Day, or IAD, a day of celebration for asexual people