DCI

DCI may be an abbreviation for:

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Technology

D-chiro-inositol, an isomer of inositol
Data, context and interaction, an architectural pattern in computer software development
Data center interconnect, a connection between data centers
Digitally controlled impedance, a control function in FPGAs
Display Control Interface, a computer graphics device driver standard developed using code from San Francisco Canyon Company
Ductile cast iron, or ductile iron, a more flexible type of cast iron
dCi (direct Common-rail Injection), Renault/Nissan's common rail fuel injection technology for diesel engines

Digital Cinema Initiatives, a consortium to establish a specification for a standard digital cinema architecture
Discovery Communications, an American global media and entertainment company
Dynamic Cassette International, a Boston, Lincolnshire, UK company that produces products under the Jet Tec brand name
DCI Cheese Company
Dolphin Capital Investors, a real estate investment company
Diners Club International, a global charge card
Défense Conseil International, a French international services company in the field of defense and security

DCI (Wizards of the Coast) (formerly Duelists' Convocation International, now Wizards Play Network), tournament sanctioning body for games including Magic: The Gathering
Defence for Children International, a children's rights organization
Dental Council of India, an organisation regulating dental education
Dialysis Clinic, Inc, a nonprofit medical organization
Drum Corps International, the nonprofit organization governing modern junior drum and bugle corps
DCI Global Partnerships, a Christian charity organization
Distressed Children & Infants International, a nonprofit organization
Criminal Investigation Department (Kenya), aka Directorate of Criminal Investigations (DCI), a department within the Kenya Police

Dade Correctional Institution, a prison in Florida
Development Cooperation Instrument, a financial construct of the European Union
Director of Central Intelligence, formerly the head of the U.S. Intelligence Community and Central Intelligence Agency
Detective chief inspector, a police rank in the United Kingdom
Decompression illness, brought on by rapid decompression
Defence Capabilities Initiative, a 1999 NATO plan to ensure the effectiveness of multinational operations
DCI, the number 601 in Roman numerals
District of Columbia International School, a charter school in the District of Columbia