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Family name Faul (Faul
, Foul
, Foulen
) , throughout the world, is quite a common surname. The last name Faul is habitual in Namibia, where it is quite a common surname, Israel, where it is quite a rare surname, and Ireland. In absolute terms, it is commonest in the United States, Germany, and South Africa. Much less frequently, Faul is the forename as well as the last name.