Family name 吕德 (Ruud 
, 吕德 
) , worldwide, is quite a common cognomen. The family name 吕德 is characteristic of Northern Europe, particularly Norway, where it is a common surname, Sweden, where it is quite a rare surname, and Denmark. In absolute terms, it most frequently occurs in Norway, the United States, and Sweden. Also, 吕德 is the forename as well as the last name.