GGT
GGT stands for:
- The greatest common divisor in mathematics (usually abbreviated gcd )
- Gamma-glutamyl transferase, an enzyme that transfers the glutamyl residue of glutathione to peptides see γ -glutamyltransferase
- The IATA airport code of George Town ( Bahamas) to Exuma (Bahamas )
- German Society for Gerontology, Iserlohn
- Disambiguation
- Abbreviation