Family name 勒德 (Luder 
, 勒德 
) , globally, is quite a rare cognomen. The cognomen 勒德 is habitual in Liechtenstein, where it is quite a common surname, Switzerland, and Nicaragua, where it is quite a rare surname. Not in comparison with a country's population, the name is most common in Switzerland, the United States, and Germany. Likewise, 勒德 is the forename as well as the last name.