GCA may refer to:

Education

;Cayman Islands * Grace Christian Academy (Cayman Islands) Canada: Glenmore Christian Academy ;India *

Government College, Ajmer Samrat Prithviraj Chauhan Government College, Ajmer is a college in Ajmer city of Rajasthan state in India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the seco ...

, Rajasthan *

Government College of Architecture Faculty of Architecture and Planning, Dr. A.P.J. Abdul Kalam Technical University also known as Government College of Architecture (GCA) or Lucknow College of Architecture (LCA), Lucknow, is a state funded college in Uttar Pradesh. It started w ...

in Lucknow *

Guwahati College of Architecture Guwahati College of Architecture (GCA) is an institute of higher education located in Guwahati, Assam, India. It was established in 2006 to provide the skills for a career in architecture. The college collaborates with CEPT University, running ...

, in Assam ;United Kingdom *

Greig City Academy Greig City Academy is a mixed-sex secondary school in the London borough of Haringey. It has around 1,100 pupils on its roll. As well as a busy main school, the Academy includes a thriving Sixth Form with links to Russell Group and other unive ...

, 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 Granville Christian Academy is a private Christian school at 1820 Newark Granville Rd, Granville, Ohio Granville is a village in Licking County, Ohio, United States. The population was 5,646 at the 2010 census. The village is located in a rural ...

, in Granville, Ohio *

Greenbrier Christian Academy Greenbrier Christian Academy (GCA) is a private Christian school located in the Greenbrier section of Chesapeake, Virginia. It was founded in 1983. History H. Ron White created GCA after serving in many education positions. After an informal in ...

, in Chesapeake, Virginia

Science and mathematics

GCA (gene) Grancalcin is a protein that in humans is encoded by the ''GCA'' gene. This gene product, grancalcin, is a calcium-binding protein abundant in neutrophils and macrophages. It belongs to the penta-EF-hand subfamily of proteins which includes sorcin ...

Generalized Clifford algebra In mathematics, a Generalized Clifford algebra (GCA) is a unital associative algebra that generalizes the Clifford algebra, and goes back to the work of Hermann Weyl, who utilized and formalized these clock-and-shift operators introduced b ...

* ''

Geochimica et Cosmochimica Acta ''Geochimica et Cosmochimica Acta'' (GCA, for, , Latin, Geochemical and Cosmochemical Journal) is a biweekly peer-reviewed scientific journal published by Elsevier. It was established in 1950 and is sponsored by the Geochemical Society and the Me ...

'', a scientific journal *

Giant-cell arteritis Giant cell arteritis (GCA), also called temporal arteritis, is an inflammatory autoimmune disease of large blood vessels. Symptoms may include headache, pain over the temples, flu-like symptoms, double vision, and difficulty opening the mouth. C ...

* GCA, a codon for the amino acid

alanine Alanine (symbol Ala or A), or α-alanine, is an α-amino acid that is used in the biosynthesis of proteins. It contains an amine group and a carboxylic acid group, both attached to the central carbon atom which also carries a methyl group side c ...

Sport

Geelong Cricket Association The Geelong Cricket Association is the main cricket organisation in the Geelong area. It is affiliate with Cricket Victoria Cricket Victoria (CV) is the governing body for the sport of cricket in the Australian state of Victoria. It was formed ...

, in Australia *

Goa Cricket Association Goa Cricket Association is the governing body of Cricket activities in the Indian state of Goa and the Goa cricket team. It is affiliated to the Board of Control for Cricket in India. Suraj Lotlikar is the president of the association. GCA is r ...

, in India *

Gujarat Cricket Association Gujarat Cricket Association is the governing body of the Cricket activities in the Gujarat state of India and the Gujarat cricket team. It is affiliated to the Board of Control for Cricket in India. As a member of BCCI, it has the authority to ...

, in India

Other uses

* Garden Centers of America, an American trade organization *

GCA Airlines Gran Colombia de Aviación S.A.S., operating as GCA Airlines, was a Colombian airline subsidiary of Avior Airlines. It was registered at Ibague, based in the city of Cali and with a hub at Alfonso Bonilla Aragón International Airport in the city ...

, a Colombia airline * GCA Games Convention Asia, a video game and interactive technology convention * GCA Savvian, an American investment bank *

Giant cell arteritis Giant cell arteritis (GCA), also called temporal arteritis, is an inflammatory autoimmune disease of large blood vessels. Symptoms may include headache, pain over the temples, flu-like symptoms, double vision, and difficulty opening the mouth. C ...

, a disorder * Global Cargo Association Ltd, in London * Global Center on Adaptation, an international organization aiming to accelerate

climate change adaptation Climate change adaptation is the process of adjusting to current or expected effects of climate change.IPCC, 2022Annex II: Glossary öller, V., R. van Diemen, J.B.R. Matthews, C. Méndez, S. Semenov, J.S. Fuglestvedt, A. Reisinger (eds.) InClimat ...

solutions. * Global Coalition for Africa, a North-South forum that aims to address Africa's most critical development issues. *

Gothenburg City Airport Gothenburg (; abbreviated Gbg; sv, Göteborg ) is the second-largest city in Sweden, fifth-largest in the Nordic countries, and capital of the Västra Götaland County. It is situated by the Kattegat, on the west coast of Sweden, and has a p ...

, in Sweden * Grand Canyon Association, an American fundraising organization *

Grand Central Airport (United States) Grand Central Airport is a former airport in Glendale, California. Also known as Grand Central Air Terminal (GCAT), the airport was an important facility for the growing Los Angeles suburb of Glendale in the 1920s and a key element in the devel ...

, a former airport in Glendale, California, United States *

Grand China Air Grand China Air Co., Ltd. (GCA) is a Chinese airline based at Haikou Meilan International Airport. History Grand China Air was formed on 29 November 2007 under the initiative of the HNA group's largest operational entity, Hainan Airlines, to me ...

, a Chinese airline *

The Great Canadian Appathon The Great Canadian Appathon (GCA) was a 48-hour game design and development competition open to Canadian college and university students. Students attempted to design, develop and program a working mobile game within the restrictions of an annua ...

, 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 In aviation a ground-controlled approach (GCA), is a type of service provided by air-traffic controllers whereby they guide aircraft to a safe landing, including in adverse weather conditions, based on primary radar images. Most commonly a GCA uses ...

Groceries Code Adjudicator The Groceries Code Adjudicator (or ''Supermarket Ombudsman'') is an independent statutory office responsible for enforcing the Groceries Supply Code of Practice and to regulate the relationship between supermarkets and their direct suppliers with ...

, in the United Kingdom *

Gun Control Act of 1968 The Gun Control Act of 1968 (GCA or GCA68) is a U.S. federal law that regulates the firearms industry and firearms ownership. Due to constitutional limitations, the Act is primarily based on regulating interstate commerce in firearms by generally ...

, a U.S. federal law *

Gun Control Australia Gun Control Australia (GCA) is an Australian incorporated gun control, anti-gun association that advocates for tighter gun laws in Australia, gun laws. Itwebsiteis run by volunteer lawyers, public health academics and social media social justice ...

, an Australian lobbying group {{disambiguation