DARS may refer to:
* DARS (gene), a human gene
* DARS (radar) Deployable Air operations centre, Recognized air picture production centre, Sensor Fusion Post, a NATO mobile deployable Command & Control radar system
* DoD Architecture Registry System
* Texas Department of Assistive and Rehabilitative Services, a state agency that works with Texans with disabilities and children with developmental delays
* Digital Audio Radio Service, any type of digital radio service including Satellite DARS used by Sirius XM Radio
* Digital Audio Reference Signal, an AES standard for synchronizing devices
* Motorway Company in the Republic of Slovenia (Slovene: Družba za avtoceste v Republiki Sloveniji, DARS)
* DARS caste living in District Tharparkar and Umerkot
* Dars, a brand of chocolate bars produced in Japan by Morinaga & Company
* DnaA-reactivating sequences (DARS)
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