Cognomen Kashul (Kashul 
, Кашул 
) , in the world, is a rare last name. The cognomen Kashul is habitual in Ukraine, where it is a rare surname, Canada, where it is a very rare surname, and Russia. Measured by absolute frequency, it is commonest in Ukraine, Russia, and the United States. Much less frequently, Kashul is the forename as well as the last name.