Last name Roustan (М. 
, Roustan 
) , around the globe, is quite a common family name. The family name Roustan is habitual in Serbia, where it is quite a common surname, Monaco, and Bulgaria. Not in comparison with a country's population, it is commonest in Serbia, France, and Bulgaria. Likewise, Roustan is the forename as well as the last name.
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| М. | Serbia, Russia, Bulgaria, Belarus, Armenia |
| Roustan | Mexico, France, Australia, United States, Democratic Republic of the Congo |
| antoine-jacques roustan Genevan philosopher and pastor (1734-1808), CH (b. 1734) |
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| joseph roustan French poet, FR (b. 1756) |
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théodore roustan French colonial administrator (1833-1906), FR (b. 1833) |
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| philippe-amédée roustan FR (b. 1785) |
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| julien roustan FR (b. 1804) |
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marius roustan French politician (1870-1942), FR (b. 1870) |
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| germain roustan FR (b. 1842) |
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| paul roustan French poet, FR (b. 1859) |
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| désiré roustan French philosopher, FR (b. 1873) |
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max roustan French politician, FR (b. 1944) |
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| renée de roustan French librarian and historian, FR (b. 1898) |
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| maxime roustan French politician, FR (b. 1898) |
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| alphonse roustan FR (b. 1913) |
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paul roustan American photographer, US (b. 1979) |
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| marc roustan French politician, FR (b. 1942) |
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