PCS may refer to:
Government Prime Cabinet Secretary, of the Republic of Kenya Provincial Civil Service (disambiguation), state civil services in India
Military Permanent change of station, to be permanently moved to a new post in the U.S. armed forces Personal Clothing System, designation of British Army No. 8 Combat Dress Patrol craft sweeper, a US Navy hull classification symbol; see List of patrol vessels of the United States Navy
Organizations Communist Party of El Salvador (), a political party in El Salvador PhillyCarShare, a defunct non-profit organization in Philadelphia, US, acquired by Enterprise in 2011 Polish Council of State, supreme political body of Poland from 1947 to 1989 Portland Center Stage, a theater company based in Portland, Oregon, US since 1988 PotashCorp Corporation of Saskatchewan, a former Canadian producer of potash Provo Canyon School, a US psychiatric youth residential treatment center Public and Commercial Services Union, a trade union representing UK public sector workers Sammarinese Communist Party (), a former political party in San Marino
Education Pacific Collegiate School, a grades 7–12 charter school in Santa Cruz, California, US Petaluma City Schools, the school district of Petaluma, California, US Presbyterian Christian School, a private school in Hattiesburg, Mississippi, US Professional Children's School, a college preparatory school for child actors and dancers in New York City, US Pueblo City Schools, the school district of Pueblo, Colorado, US
Science and technology Partitioning Communication System, a high-assurance communications security technology Periphere Computer Systeme, a German manufacturer of UNIX-based computers in the 1980s and 1990s Personal Communications Service, a set of wireless communications capabilities Photon correlation spectroscopy, a spectroscopic technique in chemistry and physics used to determine particle sizes in suspensions Physical coding sublayer, an Ethernet Layer 1 (PHY) sub-layer Picture communication symbols, drawings used to communicate with autistic people and in other alternative communication systems Plastic-clad silica fiber, a type of optical fiber Process control system, for industrial process control Profile connection space, an intermediary form for color-data used when performing conversions between color spaces
Medicine Pelvic congestion syndrome, a cause of chronic pain in the abdomen Post-concussion syndrome, a set of symptoms that a person may experience after a concussion
Postcholecystectomy syndrome, the presence of abdominal symptoms after surgery to remove the gallbladder Precordial catch syndrome, a common cause of chest pain complaints in children and adolescents
Other uses Pacific Central Station, a railway station in Vancouver, British Columbia, Canada Pacific Championship Series, a professional esports league for the MOBA PC game League of Legends Photo City Sagamihara, awards for photography given annually by the Japanese town of Sagamihara Pinball Construction Set, a computer game by Bill Budge published by Electronic Arts Program Component Score, part of the ISU Judging System for figure skating competitions
See also Parsec (pc), a unit of distance used in astronomy Personal computer (PCs) PC (disambiguation)