Surname Ilyich (Ильич 
, Ilyich 
, Илыич ) , across the world, is quite a rare last name. The last name Ilyich is characteristic of Kazakhstan, where it is quite a common surname, Belarus, where it is quite a rare surname, and Kyrgyzstan. Not in comparison with a country's population, it is commonest in Kazakhstan, Russia, and Belarus. Much less frequently, Ilyich is the forename as well as the last name.