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Surname Fenn (芬 , Fenn
, フェン
) , across the world, is a common cognomen. The cognomen Fenn is habitual in Reunion, where it is quite a common surname, the United Kingdom, where it is quite a rare surname, and China. Measured by absolute frequency, it is commonest in China, the United States, and the United Kingdom. More prevalently, Fenn is the forename as well as the last name.