Cognomen Duque (Duc 
, Duke , Duque 
, along with others...) , all over the world, is a widespread last name. The cognomen Duque is habitual in Latin America and the Caribbean, particularly Colombia, where it is a common surname, Panama, where it is quite a common surname, and Venezuela (explore the name in all countries). Measured by absolute frequency, this name is the most popular in Colombia, the United States, and Philippines. Much less frequently, Duque is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Duke, Duc | Colombia, Philippines, Vietnam, Brazil, United States |
| Duque | Mexico, Colombia, Philippines, Brazil, United States |
| دوكي | Iran, Yemen, Sudan, Iraq, Jordan |
| Дуке | Ukraine |
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pedro, duque de coimbra Regent of Portugal (1392-1449), PT (b. 1392) |
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| duque de neoburgo felipe guillermo de baviera (b. 1615) |
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| matías duque Spanish Baroque writer, ES (b. 1632) |
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francisco, duque de beja Portuguese prince of the second House of Braganza, PT (b. 1691) |
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| pedro duque cornejo Spanish artist (1678-1757), ES (b. 1678) |
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marcelino, duque de villahermosa aragón y azlor Spanish politician and writer, ES (b. 1815) |
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júlio ernesto de lima duque PT (b. 1859) |
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matías duque Cuban physician (1869-1941), CU (b. 1869) |
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| daniel ramón de arrese y duque Spanish writer (1831-1891), ES (b. 1831) |
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| eugenio duque Spanish sculptor (1837-1910), ES (b. 1837) |
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tomás gabriel duque PA (b. 1890) |
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| demetrio duque y merino ES (b. 1844) |
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duque da ribeira PT (b. 1902) |
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| julio duque Spanish photographer, ES (b. 1871) |
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paulo duque Brazilian politician, BR (b. 1927) |
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