>
Cognomen Kassil (Kassil , Касіль , Кассиль ) , worldwide, is a rare surname. The surname Kassil is habitual in Austria, where it is a rare surname, Russia, where it is a very rare surname, and Morocco. Measured by absolute frequency, it most frequently occurs in Russia, Germany, and the United States. Much less frequently, Kassil is the forename as well as the last name.