CRS may refer to:

Organisations Government related Career Retention Specialist, a Marine responsible for enlisted retention in U.S. Marine Corps units China Reconstruction Society, also known as the Blue Shirts Society, a Fascist clique and secret police or para-military force in the Republic of China between 1931 and 1938 Commission of Railway Safety, rail safety authority in India Common Reporting Standard, an OECD standard for exchange of information Community Relations Service, United States Department of Justice branch for CR and civil rights Compagnies Républicaines de Sécurité, the French riot-control force Congressional Research Service, the public-policy arm of the United States Congress

NGO or commercial Catholic Relief Services, an American international humanitarian agency Catholic Record Society, a scholarly society in England and Wales Classic Rock Society, a UK-based organisation to promote classic and progressive rock music Co-operative Retail Services, a former co-operative society in the United Kingdom Creation Research Society, a Christian research group which engages in creation science Croatian Register of Shipping, an independent classification society working in the marine market Somaschi Fathers (Ordo Clericorum Regularium a Somascha), a charitable religious congregation

Science and technology Medicine and biology Cambridge Reference Sequence, used in mitochondrial DNA testing Caudal regression syndrome, a rare congenital disorder Chinese restaurant syndrome, purportedly caused by the flavor enhancer glutamate Chronic radiation syndrome, resulting from prolonged exposures to radiation Chronic rhinosinusitis Congenital rubella syndrome, a disease passed from mother to fetus Cutaneous radiation syndrome, a syndrome that results from acute radiation exposure to the skin Cytokine release syndrome, in immunology Cytoreductive surgery, in cancer treatment

Computer science and engineering Canada Remote Systems, a now-defunct bulletin-board system based in Toronto Carrier Routing System, a large-scale core router Celestial Reference System(s), see Barycentric and geocentric celestial reference systems Cluster Ready Services, components of Oracle Clusterware for database support Cold rolled steel Commercial Resupply Services, a NASA contract to deliver supplies to space Common reference string model, in cryptography Computer reservations system (or Central Reservation System), a computerised system used for travel bookings Coordinate reference system, used to locate geographical entities

Other uses Camp Rising Sun (New York), an international leadership-program for youth development Child Rebel Soldier, a former hip-hop supergroup composed of Kanye West, Lupe Fiasco, and Pharrell Classroom response system, an interactive teaching tool using "clicker questions" Seychellois Creole (ISO 639-3 language code), a French-based creole language of the Seychelles Colorado Revised Statutes, the legal code of Colorado Cosmic Ray Subsystem, a spacecraft instrument on the Voyager probe that helped detect the interstellar medium Consumer Recreation Services, a fictional company which features in the 1997 film The Game

See also .crs (disambiguation) CRS-1 (disambiguation)

Distinguish from seeress, a female prophet