ASDE

ASDE may refer to:


 * Airport Surface Detection Equipment (surface movement radar)
 * ASDE-X (Airport Surface Detection Equipment, Model X), an airport runway safety tool
 * ASDE-3—Airport Movement Area Safety System
 * Federación de Scouts-Exploradores de España
 * ASD Simplified Technical English
 * ASDEX Upgrade (Axially Symmetric Divertor Experiment)
 * Alliance of Socialists and Democrats for Europe