Family name Tranchant (Tranchant 
) , across the world, is quite a rare surname. The cognomen Tranchant is characteristic of Western Europe, particularly France, where it is quite a rare surname, Belgium, where it is a rare surname, and Switzerland. Measured by absolute frequency, it is commonest in France, the United States, and Belgium.
| VARIANT | COUNTRY |
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| Tranchant | Belgium, Canada, United States, China, France |
| gillette-esther tranchant 6 Nov 1732 Rennes - 19 May 1794 Bayeux (b. 1732) |
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| charles tranchant FR (b. 1826) |
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jean tranchant French singer-songwriter (1904-1972), FR (b. 1904) |
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| andré-georges-louis tranchant French military personnel, FR (b. 1882) |
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| georges tranchant French politician, FR (b. 1929) |
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| marie-noëlle tranchant journalist (b. 1950) |
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| josé tranchant French politician, FR (b. 1954) |
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| philippe tranchant French footballer, FR (b. 1956) |
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| christine tranchant researcher (b. 1958) |
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| bernard tranchant French politician, FR (b. 1962) |
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| mathias tranchant (b. 1969) |
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| bruno tranchant youth worker and author, FR |
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| claude tranchant, seigneur du vauguellau - Abt 1653 |
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| françoise tranchant - Abt 1687 |
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| carole c. tranchant researcher |
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