CGG

CGG may refer to:

Organisations

 * CGG (company), a multi-national geophysical services company, formerly known as CGGVeritas, and Compagnie Générale de Géophysique
 * Canadian Grenadier Guards, infantry regiment of Canada's military reserve force
 * Church of the Great God, headquartered in South Carolina, US
 * Campaign for Good Governance, in Sierra Leone

Science

 * CGG, a codon for the amino acid arginine
 * CGG repeats, a trinucleotide repeat disorder; causing:
 * Fragile X syndrome
 * Fragile X-associated tremor/ataxia syndrome

Other uses

 * Kiga language (ISO-639 language code), a Great Lakes Bantu language