IAE

IAE may refer to:
 * Institut d'Administration des Entreprises, graduate schools of management in France
 * International Aero Engines
 * IAE Universidad Austral, the Management and Business School of the Universidad Austral
 * Spanish Institute of Actuaries
 * Ignalina Nuclear Power Plant
 * Inside American Education, a 1992 book by economist Thomas Sowell about education in the United States
 * International Association of Egyptologists
 * "In any event".

IAe may refer to :
 * Indonesian Aerospace, an Indonesian aerospace company