COO or coo may refer to:

Business

Certificate of origin A Certificate of Origin or Declaration of Origin (often abbreviated to C/O, CO or DOO) is a document widely used in international trade transactions which attests that the product listed therein has met certain criteria to be considered as origina ...

, used in international trade *

Chief operating officer A chief operating officer (COO), also called chief operations officer, is an executive in charge of the daily operations of an organization (i.e. personnel, resources, and logistics). COOs are usually second-in-command immediately after the C ...

or chief operations officer, high-ranking corporate official *

Concept of operations A concept of operations (abbreviated CONOPS, CONOPs, or ConOps) is a document describing the characteristics of a proposed system from the viewpoint of an individual who will use that system. Examples include business requirements specification ...

, used in Systems Engineering Management Process *

Country of origin Country of origin (CO) represents the country or countries of manufacture, production, design, or brand origin where an article or product comes from. For multinational brands, CO may include multiple countries within the value-creation proce ...

, a representative to the country or countries of manufacture, production, design, or brand origin where an article or product comes from

Communication

* Cell of origin (telecommunications) * "Coo", the call of pigeons and doves

People

* Coo Coo Cal (Calvin Bellamy, born 1970), American rapper * Coo Coo Marlin (1932–2005), racing driver * Clara Oswin Oswald, fictional character

Science

Carboxylate In organic chemistry, a carboxylate is the conjugate base of a carboxylic acid, (or ). It is an anion, an ion with negative charge. Carboxylate salts are salts that have the general formula , where M is a metal and ''n'' is 1, 2,... ...

, type of anion *

Cobalt(II) oxide Cobalt(II) oxide is an inorganic compound that has been described as an olive-green or gray solid. It is used extensively in the ceramics industry as an additive to create blue-colored glazes and enamels, as well as in the chemical industry f ...

, chemical with formula of CoO

Places

* ''Coo'', the former Italian name for the Dodecanese island

Kos Kos or Cos (; ) is a Greek island, which is part of the Dodecanese island chain in the southeastern Aegean Sea. Kos is the third largest island of the Dodecanese, after Rhodes and Karpathos; it has a population of 37,089 (2021 census), making ...

, now in Greece, off the coast of Turkey * Calgary Olympic Oval, a Canadian ice rink * COO, the IATA code for

Cadjehoun Airport Cardinal Bernadin Gantin International Airport (formerly known as Cotonou Cadjehoun Airport) is an airport in the Cadjehoun neighborhood of Cotonou, the largest city in Benin, in West Africa. The airport is the largest in the country, and the ...

in Cotonou, Benin * COO, the National Rail code for

Cookham railway station Cookham railway station serves the village of Cookham, Berkshire, England. Great Western Railway (train operating company), Great Western Railway trains between and serve the station on the Marlow branch line, but through services to and from ...

in the county of Berkshire, UK

Other uses

Daihatsu Coo The Toyota bB is a mini MPV produced by the Japanese car company Toyota. The first generation launched in 2000, and the second generation was jointly developed with Daihatsu from 2005. The car has been badge engineered and sold as the Daihatsu ...

, a 2006–2012 Japanese subcompact hatchback * ''

Summer Days with Coo is a 2007 Japanese animated film about a kappa and its impact on an ordinary suburban family, written for the screen and directed by Keiichi Hara based on two novels by Masao Kogure. Plot Following a dreadful encounter with a samurai, a young ...