Family name יאשה (Yasha 
, Jascha 
, יאשה 
) , in the world, is quite a rare last name. The family name יאשה is characteristic of Israel, where it is quite a rare surname, Indonesia, where it is a rare surname, and United Arab Emirates. Not in comparison with a country's population, it is the most numerous in Indonesia, India, and Israel. More prevalently, יאשה is the forename as well as the last name.