Family name Iljič (Ильич 
, Iljič) , in all the world, is quite a rare surname. The family name Iljič is habitual in Kazakhstan, where it is quite a common surname, Belarus, where it is quite a rare surname, and Kyrgyzstan. Measured by absolute frequency, this name is the most popular in Kazakhstan, Russia, and Belarus. Much less frequently, Iljič is the forename as well as the last name.