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Cognomen Crohn (Crohn
, كرون
, Крон
) , in the world, is quite a rare family name. The last name Crohn is habitual in Denmark, where it is quite a rare surname, Israel, and Palestinian Territory, where it is a rare surname. In absolute terms, the name is most common in the United States, Russia, and Denmark. Very seldom, Crohn is the forename as well as the last name.