Cognomen Кристофф (Kristoff 
, Кристофф 
) , in all the world, is quite a rare surname. The last name Кристофф is habitual in Hungary, where it is quite a rare surname, Estonia, where it is a rare surname, and Honduras. Measured by absolute frequency, it is the most numerous in the United States, Canada, and Hungary. Also, Кристофф is the forename as well as the last name.