Surname 路德 (Luther 
, Rude , Rudd ) , throughout the world, is a common last name. The cognomen 路德 is characteristic of Marshall Islands, where it is quite a common surname, Seychelles, and Eswatini (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in the United States, Germany, and the United Kingdom. Also, 路德 is the forename as well as the last name.