Family name クラト (クラト 
, Kurato 
) , in all the world, is quite a rare last name. The family name クラト is characteristic of Japan, where it is quite a rare surname, Argentina, where it is a very rare surname, and Thailand, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in Japan, Argentina, and Philippines. Much less frequently, クラト is the forename as well as the last name.