Calvo may refer to
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Calvo (surname)
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Calvo, Cumbria
Calvo is a hamlet in Cumbria
Cumbria ( ) is a ceremonial county in North West England. It borders the Scottish council areas of Dumfries and Galloway and Scottish Borders to the north, Northumberland and County Durham to the east, North Yo ...
, a hamlet in England
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Luis Calvo, a Bolivian province
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Porto Calvo, a Brazilian municipality
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Calvo Doctrine
The Calvo Doctrine is a foreign policy doctrine which holds that jurisdiction in international investment disputes lies with the country in which the investment is located. The Calvo Doctrine stood in contrast to historical rules governing foreign ...
, a foreign policy doctrine
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Grupo Calvo, a group of Spanish companies dedicated to fishing, processing, and distribution of canned goods
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California Volcano Observatory (CalVO)
{{Disambiguation, geo, surname