PCS may refer to:

• Prime Cabinet Secretary, of the Republic of Kenya
• Provincial Civil Service (disambiguation), state civil services in India

• 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

• Communist Party of El Salvador (Spanish: Partido Comunista de 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 (Italian: Partito Comunista Sammarinese), 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
• 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

• Parsec (pc), a unit of distance used in astronomy
• Personal computer (PCs)
• PC (disambiguation)

This disambiguation page lists articles associated with the title PCS.
If an internal link incorrectly led you here, you may wish to change the link to point directly to the intended article.