PCS explained

PCS may refer to:

Government

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
A US Navy hull classification symbol: Patrol craft sweeper (PCS)

Communist Party of El Salvador (Spanish; Castilian: Partido Comunista de El Salvador |links=no ), 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
Potash 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 (Italian: Partito Comunista Sammarinese |links=no ), a former political party in San Marino

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

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

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
Post-COVID syndrome, symptoms that develop and continue for a long time after COVID-19
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

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