Last name Ivanish (Ivanish 
, Иваниш 
) , throughout the world, is a very rare cognomen. The cognomen Ivanish is characteristic of Romania, where it is a rare surname, Kazakhstan, where it is a very rare surname, and Russia. In absolute terms, it most frequently occurs in Romania, Russia, and the United States. Very seldom, Ivanish is the forename as well as the last name.