Surname 莱德曼 (Lederman 
, 莱德曼 
) , in the entire world, is quite a rare last name. The last name 莱德曼 is habitual in Cayman Islands, where it is quite a common surname, Israel, where it is quite a rare surname, and the United States, where it is a rare surname. In absolute terms, it is the most numerous in the United States, Israel, and Colombia. Very seldom, 莱德曼 is the forename as well as the last name.