Cognomen 德蒙 (德蒙 
, Demone 
) , around the world, is a rare family name. The family name 德蒙 is characteristic of Canada, where it is a rare surname, New Zealand, and the United States, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Canada, the United States, and China. Likewise, 德蒙 is the forename as well as the last name.