Last name 雅沙 (Jascha 
, 雅沙 
) , in the entire world, is a rare surname. The cognomen 雅沙 is habitual in Indonesia, where it is a very rare surname, the United States, where it is an extremely rare surname, and Malaysia. Measured by absolute frequency, the name is most common in Indonesia, the United States, and China. More prevalently, 雅沙 is the forename as well as the last name.