GCC may stand for:
- GNU Compiler Collection (formerly, the "GNU C Compiler")
- Gulf Cooperation Council
- Garde côtière canadienne (Canadian Coast Guard)
- Garrett Community College
- Gateway Christian College
- General Chiropractic Council
- Georgia Council for Chiropractic
- Germanna Community College
- Glendale Community College
- global carbon cycle
- Global Climate Coalition
- 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)
- Grand Council of the Crees (gcc.ca)
- Grasslands Conservation Council
- Greenebaum Cancer Center
- Greenfield Community College
- Greenland Christian Church
- Groupware Competence Center
- Grove City College (gcc.edu)
- Grupo Cementos de Chihuahua (gcc.com)
- GCC Printers