Das
Das or DAS may refer to:

Organizations
Dame Allan's Schools, Fenham, Newcastle upon Tyne, England
Danish Aviation Systems, a supplier and developer of unmanned aerial vehicles
Departamento Administrativo de Seguridad, a former Colombian intelligence agency
Department of Applied Science, UC Davis
Debt Arrangement Scheme, Scotland, see Accountant in Bankruptcy

Places
Das (crater), a lunar impact crater on the far side of the Moon
Das (island), an Emirati island in the Persian Gulf
Das Island Airport 
Das, Catalonia, a village in the Cerdanya, Spain
Das, Iran, a village in Razavi Khorasan Province
Great Bear Lake Airport, Northwest Territories, Canada (IATA code)

Science
1,2-Bis(dimethylarsino)benzene, a chemical compound
DAS28, Disease Activity Score of 28 joints, rheumatoid arthritis measure
Differential Ability Scales, cognitive and achievement tests

Technology
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, a graphical password scheme
Dual Address Space, an IBM System/370 feature
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

Other uses
Das (surname), a common surname or title in the Indian subcontinent
Das or dasa, Sanskrit word meaning servant
Das (studio), a Japanese adult video studio
Das, the German grammatical neuter article, equivalent to "the" in English
Das DD, a Singaporean comedian

See also
Dasa (disambiguation)
Dass (disambiguation)
DSA (disambiguation)