Surname Fayen (Fayen 
, 法延 
) , around the world, is a rare cognomen. The cognomen Fayen is habitual in Belgium, where it is a rare surname, Senegal, and New Zealand. In absolute terms, it is the most numerous in Senegal, Belgium, and the United States. Very seldom, Fayen is the forename as well as the last name.
| jean fayen (b. 1505) |
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etienne fayen Belgian architect, BE (b. 1720) |
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| arnold fayen 1876-1923 (b. 1876) |
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| lino fayen Venezuelan entrepreneur (1925-1972), VE (b. 1925) |
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| jacques fayen French magistrate, FR (b. 1946) |
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| etienne fayen researcher |
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