GGT
# GGT

GGT may refer to:

## Biology and medicine

* Gamma-glutamyltransferase, an enzyme that catalyzes the reaction between a peptide and an amino acid
* Glutathione hydrolase, an enzyme that hydrolyzes glutathione
* A codon for the amino acid Glycine
* Germline gene therapy, to treat genetic diseases

## Language

* Gitua language, spoken on New Guinea

## Transport

* Exuma International Airport, The Bahamas (IATA:GGT)
* Golden Gate Transit, a public transport system in California, U.S.
