Cognomen Brault (Brault 
, Бро 
) , around the globe, is a common last name. The family name Brault is habitual in Reunion, where it is quite a common surname, France, and Canada, where it is quite a rare surname. Measured by absolute frequency, it most frequently occurs in France, Canada, and the United States. Very seldom, Brault is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Brault | New Zealand, United States, France, Reunion, Canada |
| Бро | Ukraine, Kazakhstan, Armenia, Russia, Kyrgyzstan |
| louis brault French politician (1748-1830), FR (b. 1749) |
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| charles iii brault French politician, FR (b. 1752) |
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| louis brault (b. 1782) |
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| prosper brault (1808–1897) (b. 1808) |
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| élie brault French lawyer and playwright, FR (b. 1831) |
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| paul marie brault French officer (1837-1899), FR (b. 1837) |
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henri brault French Catholic priest, FR (b. 1894) |
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éliane brault French resistance fighter, politician and journalist, FR (b. 1895) |
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| louis désiré léon brault FR (b. 1839) |
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abe brault American politician, US (b. 1909) |
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| jules lucien brault French painter, FR (b. 1861) |
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| albert brault FR (b. 1852) |
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| pierre-lucien brault CA (b. 1852) |
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| georges brault French officer and politician, FR (b. 1864) |
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| jules-andré brault Roman Catholic bishop (b. 1867) |
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