GCS

• Galactic coordinate system
• Geographic coordinate system

• Game creation system
• Gauss Centre for Supercomputing, in Germany
• Google Cloud Storage
• Group communication system
• Group Control System, an IBM VM Operating system component

• Gadsden County School District, in Florida, United States
• Gallantry Cross, Silver, an honour of the Republic of Venda
• Gaston Christian School, in Lowell, North Carolina, United States
• German Church School, in Addis Ababa, Ethiopia
• Glenelg Country School, in Ellicott City, Maryland, United States
• Gorey Community School, in County Wexford, Ireland
• Government College of Science, Lahore, Pakistan
• Grace Christian School (Florida), in Valrico, Florida, United States
• Grace Church School, in New York City
• Granville County Schools, in North Carolina, United States
• Greenfield Community School, in Dubai
• Greenville Christian School, in Mississippi, United States
• Greenwood College School, in Toronto, Ontario, Canada
• Guadalupe Catholic School, in Makati, Philippines
• Guildford County School, in England

• Gamma-glutamylcysteine synthetase
• Gender confirming surgery
• Glasgow Coma Scale
• Glucocorticosteroids
• Glycine cleavage system

• General Campaign Star (Canada), a Canadian Forces medal
• Grand Central Station, in New York City
• Satellite ground control station
• UAV ground control station
• Global Civic Sharing, a South Korean charity
• Global Combat Ship, of the Royal Navy
• Gold Coast Suns, an Australian Football League team
• Green Cove Springs, Florida

• GC (disambiguation)

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