Family name Diény (Diény 
) , around the globe, is an extremely rare cognomen. The family name Diény is habitual in Western Europe, particularly France, where it is an extremely rare surname.
| yves diény French physician (1911-1944), FR (b. 1911) |
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| jean-pierre diény French sinologist (1927-2014), FR (b. 1927) |
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| eugène diény |
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| jean diény |
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