CIS

CIS usually refers to:


 * Commonwealth of Independent States, a modern-day political entity consisting of 11 former Soviet Union Republics

CIS is also an acronym for:
 * Canadian Interuniversity Sport
 * Cancer Information Service
 * Carcinoma in situ
 * Card information structure
 * Center for Immigration Studies, Washington DC
 * Centre for Independent Studies, Australia
 * Chinese International School
 * Commonwealth of Independent States rugby team
 * Cisalpino train services
 * Citizenship & Immigration Services (U.S.)
 * Clinical information system
 * Clinically isolated syndrome
 * Close Interval Survey
 * Colombo International School
 * Collective investment scheme A scheme for people to invest together for a common goal. e.g Unit Trust or Mutual Fund.
 * Community Innovation Survey of the European Union
 * CompuServe Information Service
 * computer information systems
 * Confederacy of Independent Systems (Star Wars)
 * Contact image sensor
 * Continuous Injection System: A fuel injection system developed by the Robert Bosch Group
 * Continuous ink system
 * Council of International Schools
 * Co-operative Insurance Society: An English Insurance company
 * CIS Tower, Manchester, England: The headquarters of the above organisation
 * Copenhagen International School
 * Critical Incident Stress
 * Management information system, also known as a "computer information system"
 * In hydraulics, CIS is an abbreviation for Cubic Inches per Second (a measure of the rate of flow)
 * CIS solar cells: Copper-Indium-Diselenid (CuInSe2)
 * Construction Industry Scheme, a set of rules in the UK for how payments to subcontractors for construction work must be handled by contractors in the construction industry and certain other businesses within the United Kingdom.

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