GCI

• First Geneva Convention
• GCI (company)
• GCI coach
• Galt Collegiate Institute
• Gannett Company
• Gaussian correlation inequality
• Generalized conversational implicature
• Geomagnetically induced current
• Getty Conservation Institute
• Glebe Collegiate Institute
• Glen Canyon Institute
• Glial cytoplasmic inclusions
• Global Change Institute
• Global Cinematography Institute
• Global Commons Institute
• Global Competitiveness Index
• Google Code-in
• Government College Ikorodu
• Grace Communion International
• Grassroots Campaigns, Inc.
• Great Coasters International
• Great Commission International
• Green Campus Initiative (UCT)
• Green Cross International
• Ground-controlled interception
• Guernsey Airport
• International Conference on the Situation in Venezuela