IIE

IIE can stand for:

* The Institut d'Informatique d'Entreprise, one of the French public Grandes écoles of engineering, specializing in computer science
* The Institute for International Economics, a think tank focused on international economics, based in Washington, D.C.
* The Institute of Industrial Engineers, the world's largest professional society for industrial engineering professionals, based in the United States
* The Institute of International Education, a world leader in the international exchange of people and ideas
* The Institution of Incorporated Engineers, the UK's largest multidisciplinary engineering association
* The Instituto de Investigaciones Estéticas, an art history research institute at Mexico's National Autonomous University (UNAM)
* Indian Institute of Entrepreneurship
* The Apple IIe.
* The Intrepid Interstellar Explorer, a proposed mission to send a probe to the heliopause.

iie can stand for:

* "No," in Japanese