GCC may stand for:

• GNU Compiler Collection (formerly, the "GNU C Compiler")
• Gulf Cooperation Council
• Garde côtière canadienne (Canadian Coast Guard)
• Germanna Community College
• Glendale Community College
• global carbon cycle
• Global Climate Coalition
• Grand Council of the Crees (gcc.ca)
• Grove City College (gcc.edu)
• General Convention Chart (a chart issued by the ACBL prescribing the allowed set of bridge conventions in some events).

• Garrett Community College
• Gateway Christian College
• General Chiropractic Council
• General Chiropractic Corporation
• Georgia Council for Chiropractic
• Global Communications for Conservation
• Global Crisis Center
• Glory Christian Centre (Borneo)
• Gloucester County College
• Government Computer Center
• Governor's Crime Commission (North Carolina)
• Grace Community Church (several; the one in Tyler, Texas has gcc.org)
• Grasslands Conservation Council
• Greenebaum Cancer Center
• Greenfield Community College
• Greenland Christian Church
• Groupware Competence Center
• Grupo Cementos de Chihuahua (gcc.com)
• GCC Printers