MCS may refer to:

Businesses and organizations

  • MCS (fashion brand), Italy
  • Marcus Corporation, United States (by NYSE symbol)
  • Marine Conservation Society, United Kingdom
  • Methodist Church in Singapore
  • Muslim Council of Scotland

Education

Qualifications

  • Master of Christian Studies
  • Master of Computer Science

Schools

Canada

  • Master's College and Seminary, Peterborough
  • Department of Mathematical and Computational Sciences (University of Toronto)

Philippines

  • Malate Catholic School, Manila
  • Mater Carmeli School, Quezon City

Pakistan

  • Military College of Signals, Rawalpindi
  • Murree Christian School, Jhika Gali

United Kingdom

  • Magdalen College School, Oxford
  • Magdalen College School, Brackley
  • Michaela Community School, London

United States

  • Manhattan Country School, New York
  • McMinn County Schools, Tennessee
  • Mellon College of Science, Carnegie Mellon University, Pennsylvania
  • Montrose Christian School, Rockville, Maryland
  • Muncie Community Schools, Indiana
  • Murfreesboro City Schools, Tennessee

Elsewhere

  • Maryknoll Convent School, Hong Kong
  • Malahide Community School, Dublin, Ireland

Science and technology

Astronomy

  • Mars Climate Sounder, onboard the Mars Reconnaissance Orbiter
  • Massive Cluster Survey

Biology and medicine

  • Membrane contact site, in cells
  • Millennium Cohort Study (disambiguation)
  • Minimally conscious state, a disorder
  • Multiple chemical sensitivity, a controversial medical diagnosis
  • Multiple cloning site, in a plasmid

Computing

  • Master of Computer Science <!-- intentional duplicate -->
  • Multiple Console Support, in OS/360 and successors
  • Multi categories security, in Security-Enhanced Linux
  • Multinational Character Set, used in VT220 terminals
  • Music Construction Set, a music composition notation program
  • MCS algorithm (Multilevel Coordinate Search), a derivative-free optimization algorithm
  • Micro Computer Set (disambiguation), various Intel microprocessor architectures

Telecommunications

  • Matrix cable system, connecting Indonesia and Singapore
  • Modulation and coding scheme

Other uses in science and technology

  • Megawatt Charging System, electric vehicle charging connector
  • Mercalli-Cancani-Sieberg scale, a scale of earthquake intensity, successor to the Mercalli intensity scale
  • Mesoscale convective system, a complex of thunderstorms

Other uses

  • Main Character Syndrome, or narcissism
  • Motion City Soundtrack, a pop punk / rock band from Minneapolis, Minnesota
  • Milwaukee County Stadium, Former stadium in Milwaukee, Wisconsin
  • A US Navy hull classification symbol: Mine countermeasures support ship (MCS)
  • Management control system
  • Michigan Central Station, a former rail station depot in Detroit, Michigan, US