GCA

GCA may refer to:

Education

Cayman Islands

• Grace Christian Academy (Cayman Islands)

Canada: Glenmore Christian Academy

India

• Government College, Ajmer, Rajasthan
• Government College of Architecture in Lucknow
• Guwahati College of Architecture, in Assam

United Kingdom

• Greig City Academy, in London
• GCA Network Ltd, in London

United States

• Gahanna Christian Academy, in Columbus, Ohio
• Garland Christian Academy, in Garland, Texas
• Georgia-Cumberland Academy, in Calhoun, Georgia
• Georgia Cyber Academy, in Atlanta, Georgia
• Global Communications Academy, in Hartford, Connecticut
• Granville Christian Academy, in Granville, Ohio
• Greenbrier Christian Academy, in Chesapeake, Virginia

Science and mathematics

• GCA (gene)
• Generalized Clifford algebra
• Geochimica et Cosmochimica Acta, a scientific journal
• Giant-cell arteritis

Sport

• Geelong Cricket Association, in India
• Goa Cricket Association, in India
• Gujarat Cricket Association, in India

Other uses

• Garden Centers of America, an American trade organization
• GCA Games Convention Asia, a video game and interactive technology convention
• GCA Savvian, an American investment bank
• Global Cargo Association Ltd, in London
• Gothenburg City Airport, in Sweden
• Grand Canyon Association, an American fundraising organization
• Grand Central Airport (United States), a former airport in Glendale, California, United States
• Grand China Air, a Chinese airline
• The Great Canadian Appathon, a Canadian game design and development competition
• Great Commission Association, an association of evangelical Christian churches
• Greek Cypriot Administration of Southern Cyprus, a name used for the internationally recognized Republic of Cyprus by Turkey since they do not recognize it
• The Greeting Card Association, a British trade organization
• Ground-controlled approach
• Groceries Code Adjudicator, in the United Kingdom
• Gun Control Act of 1968, a U.S. federal law
• Gun Control Australia, an Australian lobbying group