COO, coo, or Coo may refer to:
Business Chief operating officer, a high-ranking corporate officer of an organization Certificate of origin, used in international trade Concept of operations, used in Systems Engineering Management Process Country of origin, a representative to the country or countries of manufacture, production, design, or brand origin where an article or product comes from
Communication "Coo", the call of pigeons and doves "Coo", or "cooing", a type of human baby vocalization Cell of origin, a mobile-positioning technique for finding a caller's cell
People Coo Coo Cal, a stage name of American rapper Calvin Bellamy (born 1970) Coo Coo Marlin (1932–2005), a racing driver Clara Oswin Oswald, a fictional character
Science Carboxylate, a type of anion Cobalt(II) oxide, a chemical compound with the formula CoO
Places Coo, the Italian name for the Dodecanese island Kos, now in Greece, off the coast of Turkey Calgary Olympic Oval, a Canadian ice rink Cadjehoun Airport, Cotonou, Benin (IATA code: COO) Cookham railway station, Berkshire, England (National Rail code: COO)
Other uses Daihatsu Coo, a 2006–2012 Japanese subcompact hatchback Tōi Umi kara Kita Coo, a 1998 Japanese novel and anime film Summer Days with Coo, a 2007 Japanese animated film Coo, a scotticism for a cow Comox language (ISO 639-3 code: coo) The Cooper Companies, an American medical device company (Nasdaq ticker symbol: COO) Coo, an owl-like character in the Kirby series
See also