DCS may refer to:

Government

  • Danish Council of State, the privy council of Denmark
  • Defense Clandestine Service, a component of the U.S. Defense Intelligence Agency
  • Department of Child Safety (or Services), or Child protective services, the name for an agency tasked with protecting children from violence, exploitation, abuse, and neglect
  • Deputy Chief of Staff (DCS), as in:
  • Deputy Chief of the Air Staff (disambiguation)
  • Deputy Chief of the Defence Staff
  • White House Deputy Chief of Staff
  • Diplomatic Courier Service, a branch of the US Bureau of Diplomatic Security tasked with protecting diplomatic pouches and material
  • Directorate of Colonial Surveys, the United Kingdom's central survey and mapping organisation for British colonies and protectorates 1946–1957
  • Dutch Council of State, a constitutionally-established advisory body to the government of the Netherlands

Law enforcement

  • Department of Corrective Services, department of New South Wales Government responsible for supervision of adult offenders on community-based or custodial orders
  • Detective Chief Superintendent, the senior detective and commander of the Criminal Investigation Department in most forces in the United Kingdom
  • Georgia Department of Community Supervision, the executive branch agency of the U.S. state of Georgia tasked with the supervision of felony probationers and parolees

Education

  • Dade Christian School, a private school in Miami-Dade County, Florida
  • Dayton City School, a school district and elementary/middle school in Dayton, Tennessee
  • Dean Close School
  • Desert Christian Schools (Arizona), in Tucson, Arizona
  • Desert Christian Schools (California), a private school in Lancaster, California
  • Diploma of Collegial Studies, a certificate awarded for completion of pre-university studies in the province of Québec, Canada
  • Dipolog Community School, a non-tertiary institution in Dipolog City, Philippines
  • Doctors Charter School of Miami Shores, a High/Middle Charter School located in Miami Shores, Florida
  • Department of Computer Science (University of Toronto)

Medicine

  • <small>D</small>-Cycloserine, a GABA transaminase inhibitor and an antibiotic
  • Decompression sickness, symptoms suffered by a person exposed to a reduction in the pressure surrounding their body
  • Dendritic cells, a type of antigen presenting cell of immunologic function
  • Dorsal Column Stimulator, an implantable medical device used to treat chronic pain of neurologic origin
  • Damage control surgery, a form of surgery which is used in cases of severe trauma
  • Delusional companion syndrome, a psychological neuropathology of the self
  • Diffuse correlation spectrometry, a medical imaging technique

Technology

  • Data Coding Scheme is a field in SMS and CB messages which carries information about message encoding
  • Dark current spectroscopy, a technique used to find contaminants in silicon
  • Departure control system, airline computer systems responsible for passenger and bag processing activities
  • Deep Cycle Systems is a company specialized in batteries and solar power
  • Desktop Color Separations, an enhanced EPS file format
  • Device Control String, hex 90 in the C1 set of control codes
  • Dichlorosilane, SiH<sub>2</sub>Cl<sub>2</sub>, used in microelectronic wafer processing
  • Digital Cellular System, a mobile communications-based PCS network used outside of the U.S.
  • Digital Command System, a model railroad system by MTH Electric Trains
  • Digital Compression System, a sound system developed by Williams Electronics
  • Digital cross connect system, a type of telecom equipment
  • Digital-Coded Squelch, a squelch that superimposes a continuous stream of FSK digital data on the transmitted signal
  • Direct Coupled System, a loosely coupled multiprocessor comprising an IBM 7040/7090 pair or a 7044/7094 pair.
  • Distributed control system, a control system in which the controller elements are not central in location but are distributed throughout the system
  • Dwight Cavendish Systems, a manufacturer of video copy protection
  • Form D Control System, a subset of the Northeast Operating Rules Advisory Committee operating rules for railroads
  • Kodak DCS, a series of professional digital single-lens reflex cameras
  • Dry Combat Submersible, a military submarine being developed for use by the United States Navy

Entertainment

  • Dead Celebrity Status, a Canadian rap rock group
  • Desi Culture Shock, a UK Bhangra group
  • Digital Combat Simulator, a combat flight simulator developed by Eagle Dynamics

Other

  • Deacon (Church of Scotland), postnominal for a deaconess or deacon of the Church of Scotland
  • Deaf Children's Society, a British charity for deaf people and their families
  • Dynamic Cooking Systems, now a unit of Fisher & Paykel
  • The IMO Data Collection System is a regulatory framework established by the International Maritime Organization to collect data on fuel oil consumption from ships of 5,000 gross tonnage and above.