Cognomen Holker (Holker 
) , across the world, is a rare last name. The last name Holker is habitual in Australia, where it is a rare surname, the United Kingdom, and the United States, where it is a very rare surname. Not in comparison with a country's population, it most frequently occurs in the United States, the United Kingdom, and India. Much less frequently, Holker is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Holker | United Kingdom, United States, Germany, India, Australia |
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john holker English Jacobite soldier, industrialist and commercial spy, GB (b. 1719) |
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john holker English-born French diplomat (1745–1822), FR (b. 1745) |
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nancy davis stackpole holker (b. 1777) |
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| jean-louis holker French chemical industrialist (1770–1844), FR (b. 1770) |
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john holker British lawyer, judge and politician (b. 1828) |
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allison holker American dancer, US (b. 1988) |
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| bob holker college basketball player (1991–1991) Montana State |
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| brayden holker college basketball player (2017–2017) Southern Utah |
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| steven holker rugby league player (b. 1995) |
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