GGH

GGH may refer to:


 * Gamma-glutamyl hydrolase
 * Gartnavel General Hospital in Glasgow, Scotland
 * GGH encryption scheme, an asymmetric lattice-based cryptosystem
 * GGH signature scheme, a digital signature schemes
 * Greater Golden Horseshoe, Ontario, Canada
 * Ground glass hepatocyte
 * Guelph General Hospital in Ontario, Canada