Cognomen לותר (Lothar 
, Luther , Luter 
) , all over the world, is a common surname. The cognomen לותר is characteristic of Marshall Islands, where it is quite a common surname, Seychelles, and Germany, where it is quite a rare surname. Measured by absolute frequency, this name is the most popular in the United States, Germany, and Indonesia. More prevalently, לותר is the forename as well as the last name.