Cognomen Dubuis (Dubuis 
) , worldwide, is quite a rare last name. The family name Dubuis is habitual in Switzerland, where it is quite a common surname, Eswatini, where it is quite a rare surname, and France. In absolute terms, it is commonest in France, Switzerland, and the United States. Very seldom, Dubuis is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Dubuis | Switzerland, Eswatini, United States, Argentina, France |
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claude-marie dubuis Catholic bishop, FR (b. 1817) |
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| félix dubuis (1836-1911), CH (b. 1836) |
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| alphonse dubuis Swiss politician (1866-1936), CH (b. 1866) |
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| george s. dubuis American painter, 1899-1935 (b. 1899) |
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| henri dubuis Swiss architect (1906-2003), CH (b. 1906) |
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| fernand dubuis Swiss painter (1908-1991), CH (b. 1908) |
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| émile dubuis French politician (1911-2006), FR (b. 1911) |
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| françois-olivier dubuis (1921-2003), CH (b. 1921) |
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| claude dubuis Swiss pianist (1925-2014), CH (b. 1925) |
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| jean dubuis FR (b. 1919) |
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| roger dubuis (b. 1938) |
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| robert dubuis French politician, FR (b. 1950) |
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| daniel dubuis Swiss ice hockey player, CH (b. 1958) |
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| etienne dubuis Swiss journalist, CH (b. 1959) |
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| bernadette dubuis French politician, FR (b. 1961) |
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