GSR

GSR may refer to:

Law and Legal

 * General Statutory Rules

Medicine, science and technology

 * Galvanic skin response, physiological phenomenon
 * Glutathione-disulfide reductase, enzyme
 * Gunshot residue

Organizations

 * Gas Safe Register, in the United Kingdom
 * Global Sea Mineral Resources, an underwater mining company
 * Groupe Scolaire La Résidence, a French international school in Casablanca, Morocco

Places

 * Gerber Scout Reservation, a scouting facility in Michigan, US
 * Grand Sierra Resort, a hotel and casino in Nevada, US

Transport

 * Acura Integra GS-R, an automobile
 * Qardho Airport (IATA code: GSR), Somalia

Rail systems

 * Great Southern Railway (disambiguation)
 * Gondal State Railway, in British India
 * Great Sandhills Railway, a Canadian railway

Other uses

 * Greenville Swamp Rabbits
 * Grammata Serica Recensa, a dictionary of Old Chinese
 * General Service Respirator, a military gas mask
 * SIG Sauer GSR, a pistol variety