ADS or Ads may refer to:
Arts and entertainment
- ADS (TV station), Adelaide, South Australia
- "Aiming Down Sights", video game term
Aviation
- Air Defence Ship, Indian aircraft carrier designation
- Air defence system, anti-aircraft weapon
- Automatic dependent surveillance for tracking aircraft
- IATA airport code for Addison Airport in State of Texas, USA
Science and technology
Computing
- Advanced Design System, electronic design automation software
- Alternate data stream in Microsoft NTFS
- Automated decision support, rule-based systems for management
Military use
- Active Denial System, US non-lethal weapon
- ADS amphibious rifle
Other uses in science and technology
- Accelerator-driven system, a type of subcritical reactor
- Adaptive Damping System, Mercedes vehicle suspension
- Aitken Double Star Catalogue
- Anti–de Sitter space, a manifold in mathematics and physics
- Archaeology Data Service
- Astrophysics Data System
- Atmospheric diving suit
- Automated driving system
- Autonomous Detection System for biohazards
Other uses
- Adamorobe Sign Language, Ghana
- Adelaide Dolphin Sanctuary, a dolphin sanctuary in Adelaide, South Australia
- ADS Group, a British trade organisation
- ADS (motorcycle), a Belgian manufacturer
- Advanced Drainage Systems, a US manufacturer of plastic pipes and other drainage products
- Agrarian Democratic Party, Czech Republic
- Alliance Data Systems, NYSE code
- American depositary share
- American Dialect Society, a learned society dedicated to languages in the US
- Ardrossan Harbour railway station, North Ayrshire, Scotland, station code