Surname Ясский (Yaski 
, Ясский 
, Yassky ) , around the world, is a rare cognomen. The family name Ясский is characteristic of Israel, where it is a rare surname, Malaysia, where it is a very rare surname, and India. Measured by absolute frequency, the name is most common in India, the United States, and Israel. Very seldom, Ясский is the forename as well as the last name.