Surname クラ (Cla 
, クラ 
, Cras 
) , globally, is quite a rare last name. The surname クラ is characteristic of Guernsey, where it is quite a common surname, Liechtenstein, and Belgium, where it is quite a rare surname. In absolute terms, the name is most common in France, Belgium, and Indonesia. Likewise, クラ is the forename as well as the last name.