GGS

GGS or GGs may refer to:

Education

 * Geelong Grammar School, in Victoria, Australia
 * Gravesend Grammar School, in Kent, England
 * Guildford Grammar School, in Perth, Western Australia
 * Grosvenor Grammar School, in Belfast, Northern Ireland

Other uses

 * Generations and Gender Survey
 * Gerald Gentleman Station, a power station in Nebraska
 * German Geophysical Society
 * Germany Guard Service
 * Gibson Generating Station, a power station in Indiana
 * Girl Geeks Scotland
 * Girl Guides Singapore
 * Global Geo Services, a Norwegian seismic company
 * Global Geospace Science, a NASA program
 * Glucosylglycerate synthase
 * Gobernador Gregores Airport, in Argentina
 * Governor General's Awards, in Canada
 * The Great Giana Sisters, a video game
 * Guns, Germs, and Steel
 * Guru Granth Sahib, the central religious scripture of Sikhism
 * Gyro gunsight
 * Ottawa Gee-Gees, the University of Ottawa athletic team