DAE may mean:
- Daporijo Airport, the IATA code for the airport in India
- Department of Atomic Energy (India), an Indian government department responsible for administration of India's nuclear programme
- Design Academy Eindhoven, a design school in Eindhoven, the Netherlands.
- Dictionary of American English, a dictionary of terms appearing in English in the United States (20th century)
- Destacamento de Acções Especiais "Special Actions Detachment", a Portuguese naval commando unit
- Differential algebraic equation, a general form of differential equation, given in implicit form
- Digidesign Audio Engine, an American digital audio technology company
- Digital Asset Exchange (.dae), the filename extension used by COLLADA
- Digital audio editor, a computer application for audio editing
- Digital Audio Extraction (ripping), the process of copying the audio data from one media form to a hard disk
- Dubai Aerospace Enterprise, a global aerospace, manufacturing and services corporation
- Dutch Antilles Express, an airline company in the Antilles
- Disk Array Enclosure, a piece of hardware allowing hard disks to be connected in modular units