GCA

GCA may refer to:

Education

 * Cayman Islands
 * Grace Christian Academy (Cayman Islands)


 * 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
 * GCA, a codon for the amino acid alanine

Sport

 * Geelong Cricket Association, in Australia
 * Goa Cricket Association, in India
 * Gujarat Cricket Association, in India

Other uses

 * Garden Centers of America, an American trade organization
 * GCA Airlines, a Colombia airline
 * GCA Games Convention Asia, a video game and interactive technology convention
 * GCA Savvian, an American investment bank
 * Giant cell arteritis, a disorder
 * Global Center on Adaptation, an international organization aiming to accelerate climate change adaptation solutions
 * Goodreads Choice Awards, book awards
 * 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
 * Greater Central Asia, a region of Eurasia