Family name Cla (Cla 
, クラ 
) , around the world, is quite a rare cognomen. The family name Cla is characteristic of Liechtenstein, where it is quite a common surname, Romania, where it is a rare surname, and Italy. Not in comparison with a country's population, the name is most common in Indonesia, the United States, and Italy. Likewise, Cla is the forename as well as the last name.