IAD

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 DC
 * 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