COO
Template:Sister project COO or coo may refer to:
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Business
- Certificate of origin, used in international trade
- Chief operating officer or chief operations officer, high-ranking corporate official
- 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
- 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, type of anion
- Cobalt(II) oxide, chemical with formula of CoO
Places
- Coo, the former Italian name for the Dodecanese island Kos, now in Greece, off the coast of Turkey
- Calgary Olympic Oval, a Canadian ice rink
- COO, the IATA code for Cadjehoun Airport in Cotonou, Benin
- COO, the National Rail code for Cookham railway station in the county of Berkshire, UK
Other uses
- Daihatsu Coo, a 2006–2012 Japanese subcompact hatchback
- Summer Days with Coo, a 2007 Japanese animated film
- The Cooper Companies, a medical device company which trades on the NYSE as COO
- Coo - A Scotticism for cow