CGI

Technology

Computer-generated imagery, computer-graphic effects in films, television programs, and other visual media
Computer Graphics Interface, the low-level interface between the Graphical Kernel System and hardware
Common Gateway Interface, a standard for dynamic generation of web pages by a web server
- CGI.pm, a Perl module for implementing Common Gateway Interface programs
Compacted graphite iron, a type of cast iron
Corrugated galvanised iron, a type of molded sheet metal
Cell Global Identity, a standard identifier for mobile phone cells

California Graduate Institute, an independent graduate school specializing in psychology
Catholic Guides of Ireland, a Girl Guide association
Chulabhorn Graduate Institute, a private graduate institute in Thailand
CGI Aero or RusAir, a Russian airline
CGI Inc., a multinational information technology and business process services company
Clinton Global Initiative, a forum created by former US President Bill Clinton to discuss global problems
Coast Guard Intelligence, the intelligence branch of the United States Coast Guard
Commission for the Management and Application of Geoscience Information
Compagnie Générale Immobiliere, a Moroccan real-estate development company
Consultative Group on Indonesia, a former consortium of donors to the Indonesian government
Cuerpo Guardia de Infantería, an Argentine police riot control service
General Commissariat of Information, the Comisaría General de Información is an intelligence service within the National Police Corps of Spain.

Clinical global impression, a family of scales to assess treatment response associated with mental disorders
Cognitively Guided Instruction, an approach to mathematics teaching and learning
CpG islands, in genetics, genomic regions that contain a high frequency of CG dinucleotides
Cape Girardeau Regional Airport (IATA airport code: CGI), an airport in Missouri, US