Family name לידר (Lider 
, Leader 
, Lidar 
) , worldwide, is a common surname. The surname לידר is characteristic of Saint Kitts and Nevis, where it is quite a common surname, New Zealand, where it is quite a rare surname, and Malta. In absolute terms, it most frequently occurs in the United States, the United Kingdom, and Indonesia. Also, לידר is the forename as well as the last name.