COA

COA or CoA may refer to:

Organizations

Andorran Olympic Committee (Catalan: Comitè Olímpic Andorrà)
Argentine Olympic Committee (Spanish: Comité Olímpico Argentino)
Aruban Olympic Committee (Papiamento: Comité Olímpico Arubano)
Canadian Osteopathic Association, a professional association of osteopathic physicians in Canada
Chicago Options Associates, an American company that specializes in trading options and futures contracts
Clowns of America International, an American organization that represents clowns
Committee of Administrators (CoA), oversaw the reform in 2017 of the Board of Control for Cricket in India
Council of Agriculture, agriculture-related institution in Taiwan
Council of Architecture, an Indian governmental organization that registers architects in the country
Community Oncology Alliance, an American non-profit that advocates for independent, community oncology providers and patients.
Continental Airlines, by ICAO airline code
Customs Officers' Association of New Zealand, a trade union
COA Ontario, an association representing condominium owners in Canada
Commission on Audit (Philippines), government agency
- Commission on audit, another name for supreme audit institutions

Certificate of authenticity, a document demonstrating that an item is as claimed
Chart of accounts, a categorized list of accounts used by a business
Charter Ownership Agreement, the right to purchase season tickets to a particular seat at a stadium
Court of Appeal (England and Wales), a court that reviews the decisions reached by lower courts

Care-of address, a temporary IP address assigned to a mobile internet device
Certificate of analysis, a document certifying the identification and purity of a chemical a drug; see Drug reference standard
Certified Ophthalmic Assistant, entry level assistant as certified by Joint Commission on Allied Health Personnel in Ophthalmology (IJCAHPO)
Change of Authorization, a designation for RADIUS codes
Children of Alcoholics/Children of Addicts
Ciphertext-only attack, where an attacker only has encrypted data to use in deciphering text
Collaboration-oriented architecture, a type of computer system designed to help companies work with outside organizations
Coarctation of the aorta, a congenital condition whereby a section of the aorta is narrowed
Coenzyme A, a coenzyme used in processing fatty acids and citric acid

Certificate of Authorization, used within the Federal Aviation Administration
Coahuila, (ISO 3166 code MX-COA), a state in Mexico
Coat of arms, a unique heraldic design used to cover armor and identify its wearer
Community Organization Award (COA), Boy Scouts of America
Course of Action, in the Military Decision Making Process