Family name Lancelot (Lancelot 
, Launcelot 
, Ланселот) , in the world, is quite a rare last name. The surname Lancelot is characteristic of Guadeloupe, where it is quite a common surname, France, where it is quite a rare surname, and Belgium. Not in comparison with a country's population, this name is the most popular in France, Ghana, and Indonesia. Also, Lancelot is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Lancelot | Zimbabwe, South Africa, Taiwan, United States, France |
| Launcelot | United Kingdom, South Africa, Philippines, United States, India |
Lancelotto, Lancillotto, Lançarote, and Ланцелот
| hugues lancelot de lusignan cardinal of the Roman Catholic Church, CY (b. 1380) |
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| claude lancelot dulaque French monk and grammarian, FR (b. 1615) |
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| antoine lancelot (b. 1675) |
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| joseph joachim françois esmé jean emmanuel lancelot-dubourg French politician, FR (b. 1749) |
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dieudonné lancelot French painter and lithographer (1822-1894), FR (b. 1823) |
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| gustave lancelot French photographer, FR (b. 1830) |
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| marcella lancelot croce French sculptor (1863-1946), FR (b. 1863) |
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alain lancelot French political scientist (1937-2020), FR (b. 1937) |
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| andré lancelot French rower, FR (b. 1900) |
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| pierre lancelot FR (b. 1901) |
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| jacques lancelot French classical clarinetist (1920-2009), FR (b. 1920) |
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| hubert lancelot French singer, FR (b. 1923) |
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| monique lancelot Monique Lancelot (1923-1982) (b. 1923) |
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alain lancelot FR (b. 1967) |
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| francine lancelot French choreographer, FR (b. 1929) |
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