GCC
GCC stands for:
- Galileo Control Center , see Galileo (satellite navigation)
- Global Climate Coalition , former industrial interest group
- GNU Compiler Collection , software collection
- Goslar Chargierten-Convent , corporation association of student associations in the period from 1882 to 1891
- Gulf Cooperation Council , see Gulf Cooperation Council
- the part of a triplet of a codon, see genetic code #Codon