Das or DAS may refer to:

• Data acquisition system
• Defensive aids system, an aircraft defensive system
• Digital Access Service, a system for exchanging legal documents electronically
• Direct-attached storage, a digital storage system
• Distributed acoustic sensing, systems use fiber optic cables to provide distributed strain sensing
• Distributed antenna system, a network of spatially separated antenna nodes
• Distributed Aperture System, a type of infrared search and track sensors
• Double acting ship, trademark for a type of ice-breaking ship
• Draw a Secret (DAS), a graphical password scheme
• AN/AAQ-37 Electro-optical Distributed Aperture System, sensor system of the Lockheed Martin F-35 Lightning II
• Dual Axis Steering, on the Mercedes-AMG F1 W11 EQ Performance

• Das, the German grammatical neuter article, equivalent to “the” in English

Research:

• DAS on Wiktionary
• DAS on DuckDuckGo
• DAS on O'Reilly
• DAS on GitHub
• DAS on Reddit
• DAS on StackOverflow
• DAS on YouTube

Fair Use Sources:

• DAS on DuckDuckGo